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<!DOCTYPE html> < html lang = "en" > < head > < meta charset = "utf-8" > < meta name = "viewport" content = "width=device-width, initial-scale=1.0" > < meta name = "generator" content = "rustdoc" > < meta name = "description" content = "API documentation for the Rust `FromRequest` trait in crate `actix_web`." > < meta name = "keywords" content = "rust, rustlang, rust-lang, FromRequest" > < title > actix_web::FromRequest - Rust< / title > < link rel = "stylesheet" type = "text/css" href = "../normalize.css" > < link rel = "stylesheet" type = "text/css" href = "../rustdoc.css" id = "mainThemeStyle" > < link rel = "stylesheet" type = "text/css" href = "../dark.css" > < link rel = "stylesheet" type = "text/css" href = "../light.css" id = "themeStyle" > < script src = "../storage.js" > < / script > < / head > < body class = "rustdoc trait" > <!-- [if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif] --> < nav class = "sidebar" > < div class = "sidebar-menu" > ☰ < / div > < p class = 'location' > Trait FromRequest< / p > < div class = "sidebar-elems" > < div class = "block items" > < a class = "sidebar-title" href = "#associated-types" > Associated Types< / a > < div class = "sidebar-links" > < a href = "#associatedtype.Config" > Config< / a > < a href = "#associatedtype.Result" > Result< / a > < / div > < a class = "sidebar-title" href = "#required-methods" > Required Methods< / a > < div class = "sidebar-links" > < a href = "#tymethod.from_request" > from_request< / a > < / div > < a class = "sidebar-title" href = "#provided-methods" > Provided Methods< / a > < div class = "sidebar-links" > < a href = "#method.extract" > extract< / a > < / div > < a class = "sidebar-title" href = "#foreign-impls" > Implementations on Foreign Types< / a > < div class = "sidebar-links" > < a href = "#impl-FromRequest%3CS%3E" > Bytes< / a > < a href = "#impl-FromRequest%3CS%3E" > String< / a > < a href = "#impl-FromRequest%3CS%3E" > Option< T> < / a > < a href = "#impl-FromRequest%3CS%3E" > Result< T, Error> < / a > < a href = "#impl-FromRequest%3CS%3E" > ()< / a > < a href = "#impl-FromRequest%3CS%3E" > (A,)< / a > < a href = "#impl-FromRequest%3CS%3E" > (A, B)< / a > < a href = "#impl-FromRequest%3CS%3E" > (A, B, C)< / a > < a href = "#impl-FromRequest%3CS%3E" > (A, B, C, D)< / a > < a href = "#impl-FromRequest%3CS%3E" > (A, B, C, D, E)< / a > < a href = "#impl-FromRequest%3CS%3E" > (A, B, C, D, E, F)< / a > < a href = "#impl-FromRequest%3CS%3E" > (A, B, C, D, E, F, G)< / a > < a href = "#impl-FromRequest%3CS%3E" > (A, B, C, D, E, F, G, H)< / a > < a href = "#impl-FromRequest%3CS%3E" > (A, B, C, D, E, F, G, H, I)< / a > < / div > < a class = "sidebar-title" href = "#implementors" > Implementors< / a > < / div > < p class = 'location' > < a href = 'index.html' > actix_web< / a > < / p > < script > window . sidebarCurrent = { name : 'FromRequest' , ty : 'trait' , relpath : '' } ; < / script > < script defer src = "sidebar-items.js" > < / script > < / div > < / nav > < div class = "theme-picker" > < button id = "theme-picker" aria-label = "Pick another theme!" > < img src = "../brush.svg" width = "18" alt = "Pick another theme!" > < / button > < div id = "theme-choices" > < / div > < / div > < script src = "../theme.js" > < / script > < nav class = "sub" > < form class = "search-form js-only" > < div class = "search-container" > < input class = "search-input" name = "search" autocomplete = "off" placeholder = "Click or press ‘ ’ ‘ ’ type = "search" > < a id = "settings-menu" href = "../settings.html" > < img src = "../wheel.svg" width = "18" alt = "Change settings" > < / a > < / div > < / form > < / nav > < section id = "main" class = "content" > < h1 class = 'fqn' > < span class = 'out-of-band' > < span id = 'render-detail' > < a id = "toggle-all-docs" href = "javascript:void(0)" title = "collapse all docs" > [< span class = 'inner' > − < / span > ]< / a > < / span > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#42-58' title = 'goto source code' > [src]< / a > < / span > < span class = 'in-band' > Trait < a href = 'index.html' > actix_web< / a > ::< wbr > < a class = "trait" href = '' > FromRequest< / a > < / span > < / h1 > < div class = "docblock type-decl hidden-by-usual-hider" > < pre class = 'rust trait' > pub trait FromRequest< S> : < a class = "trait" href = "https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title = "trait core::marker::Sized" > Sized< / a > {
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type < a href = '#associatedtype.Config' class = "type" > Config< / a > : < a class = "trait" href = "https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title = "trait core::default::Default" > Default< / a > ;
type < a href = '#associatedtype.Result' class = "type" > Result< / a > : < a class = "trait" href = "https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title = "trait core::convert::Into" > Into< / a > < < a class = "struct" href = "../actix_web/dev/struct.AsyncResult.html" title = "struct actix_web::dev::AsyncResult" > AsyncResult< / a > < Self> > ;
fn < a href = '#tymethod.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > ;
fn < a href = '#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > { ... }
}< / pre > < / div > < div class = 'docblock' > < p > Trait implemented by types that can be extracted from request.< / p >
< p > Types that implement this trait can be used with < code > Route::with()< / code > method.< / p >
< / div >
< h2 id = 'associated-types' class = 'small-section-header' >
Associated Types< a href = '#associated-types' class = 'anchor' > < / a >
< / h2 >
< div class = 'methods' >
< h3 id = 'associatedtype.Config' class = 'method' > < span id = 'Config.t' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > : < a class = "trait" href = "https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title = "trait core::default::Default" > Default< / a > < / code > < / span > < / h3 > < div class = 'docblock' > < p > Configuration for conversion process< / p >
< / div > < h3 id = 'associatedtype.Result' class = 'method' > < span id = 'Result.t' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > : < a class = "trait" href = "https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title = "trait core::convert::Into" > Into< / a > < < a class = "struct" href = "../actix_web/dev/struct.AsyncResult.html" title = "struct actix_web::dev::AsyncResult" > AsyncResult< / a > < Self> > < / code > < / span > < / h3 > < div class = 'docblock' > < p > Future that resolves to a Self< / p >
< / div > < / div >
< h2 id = 'required-methods' class = 'small-section-header' >
Required Methods< a href = '#required-methods' class = 'anchor' > < / a >
< / h2 >
< div class = 'methods' >
< h3 id = 'tymethod.from_request' class = 'method' > < span id = 'from_request.v' class = 'invisible' > < code > fn < a href = '#tymethod.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / h3 > < div class = 'docblock' > < p > Convert request to a Self< / p >
< / div > < / div >
< h2 id = 'provided-methods' class = 'small-section-header' >
Provided Methods< a href = '#provided-methods' class = 'anchor' > < / a >
< / h2 >
< div class = 'methods' >
< h3 id = 'method.extract' class = 'method' > < span id = 'extract.v' class = 'invisible' > < code > fn < a href = '#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / h3 > < div class = 'docblock' > < p > Convert request to a Self< / p >
< p > This method uses default extractor configuration< / p >
< / div > < / div >
< h2 id = 'foreign-impls' class = 'small-section-header' >
Implementations on Foreign Types< a href = '#foreign-impls' class = 'anchor' > < / a >
< / h2 >
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< h3 id = 'impl-FromRequest%3CS%3E' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S: 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "struct" href = "https://docs.rs/bytes/0.4.10/bytes/bytes/struct.Bytes.html" title = "struct bytes::bytes::Bytes" > Bytes< / a > < / code > < a href = '#impl-FromRequest%3CS%3E' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#395-406' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > Request payload extractor.< / p >
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< p > Loads request's payload and construct Bytes instance.< / p >
< p > < a href = "dev/struct.PayloadConfig.html" > < strong > PayloadConfig< / strong > < / a > allows to configure
extraction process.< / p >
< h2 id = "example" class = "section-header" > < a href = "#example" > Example< / a > < / h2 >
< pre class = "rust rust-example-rendered" >
< span class = "kw" > extern< / span > < span class = "kw" > crate< / span > < span class = "ident" > bytes< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > actix_web< / span > ::{< span class = "ident" > http< / span > , < span class = "ident" > App< / span > , < span class = "prelude-ty" > Result< / span > };
< span class = "doccomment" > /// extract text data from request< / span >
< span class = "kw" > fn< / span > < span class = "ident" > index< / span > (< span class = "ident" > body< / span > : < span class = "ident" > bytes< / span > ::< span class = "ident" > Bytes< / span > ) < span class = "op" > -> < / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "ident" > String< / span > < span class = "op" > > < / span > {
< span class = "prelude-val" > Ok< / span > (< span class = "macro" > format< / span > < span class = "macro" > !< / span > (< span class = "string" > " Body {:?}!" < / span > , < span class = "ident" > body< / span > ))
}
< span class = "kw" > fn< / span > < span class = "ident" > main< / span > () {
< span class = "kw" > let< / span > < span class = "ident" > app< / span > < span class = "op" > =< / span > < span class = "ident" > App< / span > ::< span class = "ident" > new< / span > ()
.< span class = "ident" > resource< / span > (< span class = "string" > " /index.html" < / span > , < span class = "op" > |< / span > < span class = "ident" > r< / span > < span class = "op" > |< / span > < span class = "ident" > r< / span > .< span class = "ident" > method< / span > (< span class = "ident" > http< / span > ::< span class = "ident" > Method< / span > ::< span class = "ident" > GET< / span > ).< span class = "ident" > with< / span > (< span class = "ident" > index< / span > ));
}< / pre >
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< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-1' class = "type" > < span id = 'Config.t-1' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "struct" href = "../actix_web/dev/struct.PayloadConfig.html" title = "struct actix_web::dev::PayloadConfig" > PayloadConfig< / a > < / code > < / span > < / h4 >
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< h4 id = 'associatedtype.Result-1' class = "type" > < span id = 'Result.t-1' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "enum" href = "https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title = "enum core::result::Result" > Result< / a > < < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = Self, Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > , < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > < / code > < / span > < / h4 >
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< h4 id = 'method.from_request' class = "method" > < span id = 'from_request.v-1' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#400-405' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-1' class = "method" > < span id = 'extract.v-1' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-1' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S: 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title = "struct alloc::string::String" > String< / a > < / code > < a href = '#impl-FromRequest%3CS%3E-1' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#435-465' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > Extract text information from the request's body.< / p >
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< p > Text extractor automatically decode body according to the request's charset.< / p >
< p > < a href = "dev/struct.PayloadConfig.html" > < strong > PayloadConfig< / strong > < / a > allows to configure
extraction process.< / p >
< h2 id = "example-1" class = "section-header" > < a href = "#example-1" > Example< / a > < / h2 >
< pre class = "rust rust-example-rendered" >
< span class = "kw" > use< / span > < span class = "ident" > actix_web< / span > ::{< span class = "ident" > http< / span > , < span class = "ident" > App< / span > , < span class = "prelude-ty" > Result< / span > };
< span class = "doccomment" > /// extract text data from request< / span >
< span class = "kw" > fn< / span > < span class = "ident" > index< / span > (< span class = "ident" > body< / span > : < span class = "ident" > String< / span > ) < span class = "op" > -> < / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "ident" > String< / span > < span class = "op" > > < / span > {
< span class = "prelude-val" > Ok< / span > (< span class = "macro" > format< / span > < span class = "macro" > !< / span > (< span class = "string" > " Body {}!" < / span > , < span class = "ident" > body< / span > ))
}
< span class = "kw" > fn< / span > < span class = "ident" > main< / span > () {
< span class = "kw" > let< / span > < span class = "ident" > app< / span > < span class = "op" > =< / span > < span class = "ident" > App< / span > ::< span class = "ident" > new< / span > ().< span class = "ident" > resource< / span > (< span class = "string" > " /index.html" < / span > , < span class = "op" > |< / span > < span class = "ident" > r< / span > < span class = "op" > |< / span > {
< span class = "ident" > r< / span > .< span class = "ident" > method< / span > (< span class = "ident" > http< / span > ::< span class = "ident" > Method< / span > ::< span class = "ident" > GET< / span > )
.< span class = "ident" > with_config< / span > (< span class = "ident" > index< / span > , < span class = "op" > |< / span > < span class = "ident" > cfg< / span > < span class = "op" > |< / span > { < span class = "comment" > // < - register handler with extractor params< / span >
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< span class = "ident" > cfg< / span > .< span class = "number" > 0< / span > .< span class = "ident" > limit< / span > (< span class = "number" > 4096< / span > ); < span class = "comment" > // < - limit size of the payload< / span >
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})
});
}< / pre >
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< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-2' class = "type" > < span id = 'Config.t-2' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "struct" href = "../actix_web/dev/struct.PayloadConfig.html" title = "struct actix_web::dev::PayloadConfig" > PayloadConfig< / a > < / code > < / span > < / h4 >
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< h4 id = 'associatedtype.Result-2' class = "type" > < span id = 'Result.t-2' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "enum" href = "https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title = "enum core::result::Result" > Result< / a > < < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title = "struct alloc::string::String" > String< / a > , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > , < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > < / code > < / span > < / h4 >
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< h4 id = 'method.from_request-1' class = "method" > < span id = 'from_request.v-2' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#440-464' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-2' class = "method" > < span id = 'extract.v-2' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-2' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< T: 'static, S: 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "enum" href = "https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title = "enum core::option::Option" > Option< / a > < T> < span class = "where fmt-newline" > where< br > T: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> , < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-2' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#513-527' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > Optionally extract a field from the request< / p >
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< p > If the FromRequest for T fails, return None rather than returning an error response< / p >
< h2 id = "example-2" class = "section-header" > < a href = "#example-2" > Example< / a > < / h2 >
< pre class = "rust rust-example-rendered" >
< span class = "kw" > extern< / span > < span class = "kw" > crate< / span > < span class = "ident" > rand< / span > ;
< span class = "attribute" > #[< span class = "ident" > macro_use< / span > ]< / span > < span class = "kw" > extern< / span > < span class = "kw" > crate< / span > < span class = "ident" > serde_derive< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > actix_web< / span > ::{< span class = "ident" > http< / span > , < span class = "ident" > App< / span > , < span class = "prelude-ty" > Result< / span > , < span class = "ident" > HttpRequest< / span > , < span class = "ident" > Error< / span > , < span class = "ident" > FromRequest< / span > };
< span class = "kw" > use< / span > < span class = "ident" > actix_web< / span > ::< span class = "ident" > error< / span > ::< span class = "ident" > ErrorBadRequest< / span > ;
< span class = "attribute" > #[< span class = "ident" > derive< / span > (< span class = "ident" > Debug< / span > , < span class = "ident" > Deserialize< / span > )]< / span >
< span class = "kw" > struct< / span > < span class = "ident" > Thing< / span > { < span class = "ident" > name< / span > : < span class = "ident" > String< / span > }
< span class = "kw" > impl< / span > < span class = "op" > < < / span > < span class = "ident" > S< / span > < span class = "op" > > < / span > < span class = "ident" > FromRequest< / span > < span class = "op" > < < / span > < span class = "ident" > S< / span > < span class = "op" > > < / span > < span class = "kw" > for< / span > < span class = "ident" > Thing< / span > {
< span class = "kw" > type< / span > < span class = "ident" > Config< / span > < span class = "op" > =< / span > ();
< span class = "kw" > type< / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > =< / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "ident" > Thing< / span > , < span class = "ident" > Error< / span > < span class = "op" > > < / span > ;
< span class = "attribute" > #[< span class = "ident" > inline< / span > ]< / span >
< span class = "kw" > fn< / span > < span class = "ident" > from_request< / span > (< span class = "ident" > req< / span > : < span class = "kw-2" > & < / span > < span class = "ident" > HttpRequest< / span > < span class = "op" > < < / span > < span class = "ident" > S< / span > < span class = "op" > > < / span > , < span class = "ident" > _cfg< / span > : < span class = "kw-2" > & < / span > < span class = "self" > Self< / span > ::< span class = "ident" > Config< / span > ) < span class = "op" > -> < / span > < span class = "self" > Self< / span > ::< span class = "prelude-ty" > Result< / span > {
< span class = "kw" > if< / span > < span class = "ident" > rand< / span > ::< span class = "ident" > random< / span > () {
< span class = "prelude-val" > Ok< / span > (< span class = "ident" > Thing< / span > { < span class = "ident" > name< / span > : < span class = "string" > " thingy" < / span > .< span class = "ident" > into< / span > () })
} < span class = "kw" > else< / span > {
< span class = "prelude-val" > Err< / span > (< span class = "ident" > ErrorBadRequest< / span > (< span class = "string" > " no luck" < / span > ))
}
}
}
< span class = "doccomment" > /// extract text data from request< / span >
< span class = "kw" > fn< / span > < span class = "ident" > index< / span > (< span class = "ident" > supplied_thing< / span > : < span class = "prelude-ty" > Option< / span > < span class = "op" > < < / span > < span class = "ident" > Thing< / span > < span class = "op" > > < / span > ) < span class = "op" > -> < / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "ident" > String< / span > < span class = "op" > > < / span > {
< span class = "kw" > match< / span > < span class = "ident" > supplied_thing< / span > {
< span class = "comment" > // Puns not intended< / span >
< span class = "prelude-val" > Some< / span > (< span class = "ident" > thing< / span > ) < span class = "op" > => < / span > < span class = "prelude-val" > Ok< / span > (< span class = "macro" > format< / span > < span class = "macro" > !< / span > (< span class = "string" > " Got something: {:?}" < / span > , < span class = "ident" > thing< / span > )),
< span class = "prelude-val" > None< / span > < span class = "op" > => < / span > < span class = "prelude-val" > Ok< / span > (< span class = "macro" > format< / span > < span class = "macro" > !< / span > (< span class = "string" > " No thing!" < / span > ))
}
}
< span class = "kw" > fn< / span > < span class = "ident" > main< / span > () {
< span class = "kw" > let< / span > < span class = "ident" > app< / span > < span class = "op" > =< / span > < span class = "ident" > App< / span > ::< span class = "ident" > new< / span > ().< span class = "ident" > resource< / span > (< span class = "string" > " /users/:first" < / span > , < span class = "op" > |< / span > < span class = "ident" > r< / span > < span class = "op" > |< / span > {
< span class = "ident" > r< / span > .< span class = "ident" > method< / span > (< span class = "ident" > http< / span > ::< span class = "ident" > Method< / span > ::< span class = "ident" > POST< / span > ).< span class = "ident" > with< / span > (< span class = "ident" > index< / span > )
});
}< / pre >
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< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-3' class = "type" > < span id = 'Config.t-3' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = T::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > < / code > < / span > < / h4 >
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< h4 id = 'associatedtype.Result-3' class = "type" > < span id = 'Result.t-3' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "enum" href = "https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title = "enum core::option::Option" > Option< / a > < T> , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
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< h4 id = 'method.from_request-2' class = "method" > < span id = 'from_request.v-3' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#521-526' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-3' class = "method" > < span id = 'extract.v-3' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-3' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< T: 'static, S: 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "enum" href = "https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title = "enum core::result::Result" > Result< / a > < T, < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > < span class = "where fmt-newline" > where< br > T: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> , < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-3' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#574-585' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > Optionally extract a field from the request or extract the Error if unsuccessful< / p >
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< p > If the FromRequest for T fails, inject Err into handler rather than returning an error response< / p >
< h2 id = "example-3" class = "section-header" > < a href = "#example-3" > Example< / a > < / h2 >
< pre class = "rust rust-example-rendered" >
< span class = "kw" > extern< / span > < span class = "kw" > crate< / span > < span class = "ident" > rand< / span > ;
< span class = "attribute" > #[< span class = "ident" > macro_use< / span > ]< / span > < span class = "kw" > extern< / span > < span class = "kw" > crate< / span > < span class = "ident" > serde_derive< / span > ;
< span class = "kw" > use< / span > < span class = "ident" > actix_web< / span > ::{< span class = "ident" > http< / span > , < span class = "ident" > App< / span > , < span class = "prelude-ty" > Result< / span > , < span class = "ident" > HttpRequest< / span > , < span class = "ident" > Error< / span > , < span class = "ident" > FromRequest< / span > };
< span class = "kw" > use< / span > < span class = "ident" > actix_web< / span > ::< span class = "ident" > error< / span > ::< span class = "ident" > ErrorBadRequest< / span > ;
< span class = "attribute" > #[< span class = "ident" > derive< / span > (< span class = "ident" > Debug< / span > , < span class = "ident" > Deserialize< / span > )]< / span >
< span class = "kw" > struct< / span > < span class = "ident" > Thing< / span > { < span class = "ident" > name< / span > : < span class = "ident" > String< / span > }
< span class = "kw" > impl< / span > < span class = "op" > < < / span > < span class = "ident" > S< / span > < span class = "op" > > < / span > < span class = "ident" > FromRequest< / span > < span class = "op" > < < / span > < span class = "ident" > S< / span > < span class = "op" > > < / span > < span class = "kw" > for< / span > < span class = "ident" > Thing< / span > {
< span class = "kw" > type< / span > < span class = "ident" > Config< / span > < span class = "op" > =< / span > ();
< span class = "kw" > type< / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > =< / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "ident" > Thing< / span > , < span class = "ident" > Error< / span > < span class = "op" > > < / span > ;
< span class = "attribute" > #[< span class = "ident" > inline< / span > ]< / span >
< span class = "kw" > fn< / span > < span class = "ident" > from_request< / span > (< span class = "ident" > req< / span > : < span class = "kw-2" > & < / span > < span class = "ident" > HttpRequest< / span > < span class = "op" > < < / span > < span class = "ident" > S< / span > < span class = "op" > > < / span > , < span class = "ident" > _cfg< / span > : < span class = "kw-2" > & < / span > < span class = "self" > Self< / span > ::< span class = "ident" > Config< / span > ) < span class = "op" > -> < / span > < span class = "self" > Self< / span > ::< span class = "prelude-ty" > Result< / span > {
< span class = "kw" > if< / span > < span class = "ident" > rand< / span > ::< span class = "ident" > random< / span > () {
< span class = "prelude-val" > Ok< / span > (< span class = "ident" > Thing< / span > { < span class = "ident" > name< / span > : < span class = "string" > " thingy" < / span > .< span class = "ident" > into< / span > () })
} < span class = "kw" > else< / span > {
< span class = "prelude-val" > Err< / span > (< span class = "ident" > ErrorBadRequest< / span > (< span class = "string" > " no luck" < / span > ))
}
}
}
< span class = "doccomment" > /// extract text data from request< / span >
< span class = "kw" > fn< / span > < span class = "ident" > index< / span > (< span class = "ident" > supplied_thing< / span > : < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "ident" > Thing< / span > < span class = "op" > > < / span > ) < span class = "op" > -> < / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "ident" > String< / span > < span class = "op" > > < / span > {
< span class = "kw" > match< / span > < span class = "ident" > supplied_thing< / span > {
< span class = "prelude-val" > Ok< / span > (< span class = "ident" > thing< / span > ) < span class = "op" > => < / span > < span class = "prelude-val" > Ok< / span > (< span class = "macro" > format< / span > < span class = "macro" > !< / span > (< span class = "string" > " Got thing: {:?}" < / span > , < span class = "ident" > thing< / span > )),
< span class = "prelude-val" > Err< / span > (< span class = "ident" > e< / span > ) < span class = "op" > => < / span > < span class = "prelude-val" > Ok< / span > (< span class = "macro" > format< / span > < span class = "macro" > !< / span > (< span class = "string" > " Error extracting thing: {}" < / span > , < span class = "ident" > e< / span > ))
}
}
< span class = "kw" > fn< / span > < span class = "ident" > main< / span > () {
< span class = "kw" > let< / span > < span class = "ident" > app< / span > < span class = "op" > =< / span > < span class = "ident" > App< / span > ::< span class = "ident" > new< / span > ().< span class = "ident" > resource< / span > (< span class = "string" > " /users/:first" < / span > , < span class = "op" > |< / span > < span class = "ident" > r< / span > < span class = "op" > |< / span > {
< span class = "ident" > r< / span > .< span class = "ident" > method< / span > (< span class = "ident" > http< / span > ::< span class = "ident" > Method< / span > ::< span class = "ident" > POST< / span > ).< span class = "ident" > with< / span > (< span class = "ident" > index< / span > )
});
}< / pre >
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< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-4' class = "type" > < span id = 'Config.t-4' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = T::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > < / code > < / span > < / h4 >
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< h4 id = 'associatedtype.Result-4' class = "type" > < span id = 'Result.t-4' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "enum" href = "https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title = "enum core::result::Result" > Result< / a > < T, < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
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< h4 id = 'method.from_request-3' class = "method" > < span id = 'from_request.v-4' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#582-584' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-4' class = "method" > < span id = 'extract.v-4' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-4' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.unit.html" > ()< / a > < / code > < a href = '#impl-FromRequest%3CS%3E-4' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#699-703' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-5' class = "type" > < span id = 'Config.t-5' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.unit.html" > ()< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-5' class = "type" > < span id = 'Result.t-5' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = Self< / code > < / span > < / h4 >
< h4 id = 'method.from_request-4' class = "method" > < span id = 'from_request.v-5' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (_req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , _cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#702' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-5' class = "method" > < span id = 'extract.v-5' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-5' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S, A: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > ,)< / a > < span class = "where fmt-newline" > where< br > S: 'static, < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-5' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#640-654' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > FromRequest implementation for tuple< / p >
< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-6' class = "type" > < span id = 'Config.t-6' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > ,)< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-6' class = "type" > < span id = 'Result.t-6' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > ,)< / a > , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-5' class = "method" > < span id = 'from_request.v-6' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#647-653' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-6' class = "method" > < span id = 'extract.v-6' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-6' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S, A: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, B: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < span class = "where fmt-newline" > where< br > S: 'static, < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-6' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#640-654' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > FromRequest implementation for tuple< / p >
< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-7' class = "type" > < span id = 'Config.t-7' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , B::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-7' class = "type" > < span id = 'Result.t-7' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-6' class = "method" > < span id = 'from_request.v-7' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#647-653' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-7' class = "method" > < span id = 'extract.v-7' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-7' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S, A: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, B: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, C: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < span class = "where fmt-newline" > where< br > S: 'static, < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-7' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#640-654' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > FromRequest implementation for tuple< / p >
< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-8' class = "type" > < span id = 'Config.t-8' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , B::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , C::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-8' class = "type" > < span id = 'Result.t-8' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-7' class = "method" > < span id = 'from_request.v-8' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#647-653' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-8' class = "method" > < span id = 'extract.v-8' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-8' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S, A: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, B: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, C: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, D: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < span class = "where fmt-newline" > where< br > S: 'static, < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-8' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#640-654' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > FromRequest implementation for tuple< / p >
< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-9' class = "type" > < span id = 'Config.t-9' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , B::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , C::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , D::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-9' class = "type" > < span id = 'Result.t-9' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-8' class = "method" > < span id = 'from_request.v-9' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#647-653' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-9' class = "method" > < span id = 'extract.v-9' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-9' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S, A: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, B: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, C: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, D: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, E: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D, E< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < span class = "where fmt-newline" > where< br > S: 'static, < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-9' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#640-654' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > FromRequest implementation for tuple< / p >
< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-10' class = "type" > < span id = 'Config.t-10' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , B::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , C::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , D::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , E::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-10' class = "type" > < span id = 'Result.t-10' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D, E< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-9' class = "method" > < span id = 'from_request.v-10' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#647-653' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-10' class = "method" > < span id = 'extract.v-10' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-10' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S, A: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, B: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, C: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, D: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, E: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, F: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D, E, F< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < span class = "where fmt-newline" > where< br > S: 'static, < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-10' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#640-654' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > FromRequest implementation for tuple< / p >
< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-11' class = "type" > < span id = 'Config.t-11' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , B::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , C::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , D::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , E::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , F::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-11' class = "type" > < span id = 'Result.t-11' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D, E, F< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-10' class = "method" > < span id = 'from_request.v-11' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#647-653' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-11' class = "method" > < span id = 'extract.v-11' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-11' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S, A: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, B: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, C: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, D: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, E: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, F: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, G: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D, E, F, G< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < span class = "where fmt-newline" > where< br > S: 'static, < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-11' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#640-654' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > FromRequest implementation for tuple< / p >
< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-12' class = "type" > < span id = 'Config.t-12' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , B::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , C::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , D::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , E::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , F::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , G::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-12' class = "type" > < span id = 'Result.t-12' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D, E, F, G< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-11' class = "method" > < span id = 'from_request.v-12' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#647-653' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-12' class = "method" > < span id = 'extract.v-12' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-12' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S, A: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, B: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, C: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, D: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, E: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, F: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, G: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, H: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D, E, F, G, H< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < span class = "where fmt-newline" > where< br > S: 'static, < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-12' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#640-654' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > FromRequest implementation for tuple< / p >
< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-13' class = "type" > < span id = 'Config.t-13' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , B::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , C::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , D::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , E::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , F::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , G::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , H::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-13' class = "type" > < span id = 'Result.t-13' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D, E, F, G, H< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-12' class = "method" > < span id = 'from_request.v-13' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#647-653' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-13' class = "method" > < span id = 'extract.v-13' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-13' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S, A: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, B: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, C: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, D: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, E: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, F: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, G: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, H: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static, I: < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> + 'static> < a class = "trait" href = "../actix_web/trait.FromRequest.html" title = "trait actix_web::FromRequest" > FromRequest< / a > < S> for < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D, E, F, G, H, I< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < span class = "where fmt-newline" > where< br > S: 'static, < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-13' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#640-654' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > FromRequest implementation for tuple< / p >
< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-14' class = "type" > < span id = 'Config.t-14' class = 'invisible' > < code > type < a href = '#associatedtype.Config' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , B::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , C::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , D::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , E::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , F::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , G::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , H::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > , I::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-14' class = "type" > < span id = 'Result.t-14' class = 'invisible' > < code > type < a href = '#associatedtype.Result' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > (< / a > A, B, C, D, E, F, G, H, I< a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.tuple.html" > )< / a > , Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-13' class = "method" > < span id = 'from_request.v-14' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#647-653' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-14' class = "method" > < span id = 'extract.v-14' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h2 id = 'implementors' class = 'small-section-header' > Implementors< a href = '#implementors' class = 'anchor' > < / a > < / h2 > < div class = 'item-list' id = 'implementors-list' > < h3 id = 'impl-FromRequest%3CS%3E-14' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S> FromRequest< S> for < a class = "struct" href = "../actix_web/middleware/session/struct.Session.html" title = "struct actix_web::middleware::session::Session" > Session< / a > < / code > < a href = '#impl-FromRequest%3CS%3E-14' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/middleware/session.rs.html#212-220' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'docblock' > < p > Extractor implementation for Session type.< / p >
< pre class = "rust rust-example-rendered" >
< span class = "kw" > use< / span > < span class = "ident" > actix_web< / span > ::< span class = "ident" > middleware< / span > ::< span class = "ident" > session< / span > ::< span class = "ident" > Session< / span > ;
< span class = "kw" > fn< / span > < span class = "ident" > index< / span > (< span class = "ident" > session< / span > : < span class = "ident" > Session< / span > ) < span class = "op" > -> < / span > < span class = "prelude-ty" > Result< / span > < span class = "op" > < < / span > < span class = "kw-2" > & < / span > < span class = "lifetime" > ' static< / span > < span class = "ident" > str< / span > < span class = "op" > > < / span > {
< span class = "comment" > // access session data< / span >
< span class = "kw" > if< / span > < span class = "kw" > let< / span > < span class = "prelude-val" > Some< / span > (< span class = "ident" > count< / span > ) < span class = "op" > =< / span > < span class = "ident" > session< / span > .< span class = "ident" > get< / span > ::< span class = "op" > < < / span > < span class = "ident" > i32< / span > < span class = "op" > > < / span > (< span class = "string" > " counter" < / span > )< span class = "question-mark" > ?< / span > {
< span class = "ident" > session< / span > .< span class = "ident" > set< / span > (< span class = "string" > " counter" < / span > , < span class = "ident" > count< / span > < span class = "op" > +< / span > < span class = "number" > 1< / span > )< span class = "question-mark" > ?< / span > ;
} < span class = "kw" > else< / span > {
< span class = "ident" > session< / span > .< span class = "ident" > set< / span > (< span class = "string" > " counter" < / span > , < span class = "number" > 1< / span > )< span class = "question-mark" > ?< / span > ;
}
< span class = "prelude-val" > Ok< / span > (< span class = "string" > " Welcome!" < / span > )
}< / pre >
< / div > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-15' class = "type" > < span id = 'Config.t-15' class = 'invisible' > < code > type < a href = '#associatedtype.Config-15' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.unit.html" > ()< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-15' class = "type" > < span id = 'Result.t-15' class = 'invisible' > < code > type < a href = '#associatedtype.Result-15' class = "type" > Result< / a > = < a class = "struct" href = "../actix_web/middleware/session/struct.Session.html" title = "struct actix_web::middleware::session::Session" > Session< / a > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-14' class = "method" > < span id = 'from_request.v-15' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request-14' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , _: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/middleware/session.rs.html#217-219' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-15' class = "method" > < span id = 'extract.v-15' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-15' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S> FromRequest< S> for < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> < / code > < a href = '#impl-FromRequest%3CS%3E-15' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/httprequest.rs.html#345-353' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-16' class = "type" > < span id = 'Config.t-16' class = 'invisible' > < code > type < a href = '#associatedtype.Config-16' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.unit.html" > ()< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-16' class = "type" > < span id = 'Result.t-16' class = 'invisible' > < code > type < a href = '#associatedtype.Result-16' class = "type" > Result< / a > = Self< / code > < / span > < / h4 >
< h4 id = 'method.from_request-15' class = "method" > < span id = 'from_request.v-16' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request-15' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , _: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/httprequest.rs.html#350-352' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-16' class = "method" > < span id = 'extract.v-16' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-16' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< S> FromRequest< S> for < a class = "struct" href = "../actix_web/struct.State.html" title = "struct actix_web::State" > State< / a > < S> < / code > < a href = '#impl-FromRequest%3CS%3E-16' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#554-562' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-17' class = "type" > < span id = 'Config.t-17' class = 'invisible' > < code > type < a href = '#associatedtype.Config-17' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.unit.html" > ()< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-17' class = "type" > < span id = 'Result.t-17' class = 'invisible' > < code > type < a href = '#associatedtype.Result-17' class = "type" > Result< / a > = < a class = "struct" href = "../actix_web/struct.State.html" title = "struct actix_web::State" > State< / a > < S> < / code > < / span > < / h4 >
< h4 id = 'method.from_request-16' class = "method" > < span id = 'from_request.v-17' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request-16' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , _: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#559-561' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-17' class = "method" > < span id = 'extract.v-17' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-17' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< T, S> FromRequest< S> for < a class = "struct" href = "../actix_web/struct.Form.html" title = "struct actix_web::Form" > Form< / a > < T> < span class = "where fmt-newline" > where< br > T: < a class = "trait" href = "https://docs.rs/serde/1.0.79/serde/de/trait.DeserializeOwned.html" title = "trait serde::de::DeserializeOwned" > DeserializeOwned< / a > + 'static,< br > S: 'static, < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-17' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#278-297' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-18' class = "type" > < span id = 'Config.t-18' class = 'invisible' > < code > type < a href = '#associatedtype.Config-18' class = "type" > Config< / a > = < a class = "struct" href = "../actix_web/dev/struct.FormConfig.html" title = "struct actix_web::dev::FormConfig" > FormConfig< / a > < S> < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-18' class = "type" > < span id = 'Result.t-18' class = 'invisible' > < code > type < a href = '#associatedtype.Result-18' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = Self, Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-17' class = "method" > < span id = 'from_request.v-18' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request-17' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#287-296' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-18' class = "method" > < span id = 'extract.v-18' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-18' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< T, S> FromRequest< S> for < a class = "struct" href = "../actix_web/struct.Json.html" title = "struct actix_web::Json" > Json< / a > < T> < span class = "where fmt-newline" > where< br > T: < a class = "trait" href = "https://docs.rs/serde/1.0.79/serde/de/trait.DeserializeOwned.html" title = "trait serde::de::DeserializeOwned" > DeserializeOwned< / a > + 'static,< br > S: 'static, < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-18' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/json.rs.html#133-152' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-19' class = "type" > < span id = 'Config.t-19' class = 'invisible' > < code > type < a href = '#associatedtype.Config-19' class = "type" > Config< / a > = < a class = "struct" href = "../actix_web/dev/struct.JsonConfig.html" title = "struct actix_web::dev::JsonConfig" > JsonConfig< / a > < S> < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-19' class = "type" > < span id = 'Result.t-19' class = 'invisible' > < code > type < a href = '#associatedtype.Result-19' class = "type" > Result< / a > = < a class = "struct" href = "https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title = "struct alloc::boxed::Box" > Box< / a > < < a class = "trait" href = "https://docs.rs/futures/0.1/futures/future/trait.Future.html" title = "trait futures::future::Future" > Future< / a > < Item = Self, Error = < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-18' class = "method" > < span id = 'from_request.v-19' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request-18' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , cfg: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/json.rs.html#142-151' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-19' class = "method" > < span id = 'extract.v-19' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-19' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< T, S> FromRequest< S> for < a class = "struct" href = "../actix_web/struct.Path.html" title = "struct actix_web::Path" > Path< / a > < T> < span class = "where fmt-newline" > where< br > T: < a class = "trait" href = "https://docs.rs/serde/1.0.79/serde/de/trait.DeserializeOwned.html" title = "trait serde::de::DeserializeOwned" > DeserializeOwned< / a > , < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-19' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#110-124' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-20' class = "type" > < span id = 'Config.t-20' class = 'invisible' > < code > type < a href = '#associatedtype.Config-20' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.unit.html" > ()< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-20' class = "type" > < span id = 'Result.t-20' class = 'invisible' > < code > type < a href = '#associatedtype.Result-20' class = "type" > Result< / a > = < a class = "enum" href = "https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title = "enum core::result::Result" > Result< / a > < Self, < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-19' class = "method" > < span id = 'from_request.v-20' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request-19' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , _: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#118-123' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-20' class = "method" > < span id = 'extract.v-20' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < h3 id = 'impl-FromRequest%3CS%3E-20' class = 'impl' > < span class = 'in-band' > < table class = 'table-display' > < tbody > < tr > < td > < code > impl< T, S> FromRequest< S> for < a class = "struct" href = "../actix_web/struct.Query.html" title = "struct actix_web::Query" > Query< / a > < T> < span class = "where fmt-newline" > where< br > T: < a class = "trait" href = "https://docs.rs/serde/1.0.79/serde/de/trait.DeserializeOwned.html" title = "trait serde::de::DeserializeOwned" > DeserializeOwned< / a > , < / span > < / code > < a href = '#impl-FromRequest%3CS%3E-20' class = 'anchor' > < / a > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#199-212' title = 'goto source code' > [src]< / a > < / span > < / td > < / tr > < / tbody > < / table > < / h3 > < div class = 'impl-items' > < h4 id = 'associatedtype.Config-21' class = "type" > < span id = 'Config.t-21' class = 'invisible' > < code > type < a href = '#associatedtype.Config-21' class = "type" > Config< / a > = < a class = "primitive" href = "https://doc.rust-lang.org/nightly/std/primitive.unit.html" > ()< / a > < / code > < / span > < / h4 >
< h4 id = 'associatedtype.Result-21' class = "type" > < span id = 'Result.t-21' class = 'invisible' > < code > type < a href = '#associatedtype.Result-21' class = "type" > Result< / a > = < a class = "enum" href = "https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title = "enum core::result::Result" > Result< / a > < Self, < a class = "struct" href = "../actix_web/error/struct.Error.html" title = "struct actix_web::error::Error" > Error< / a > > < / code > < / span > < / h4 >
< h4 id = 'method.from_request-20' class = "method" > < span id = 'from_request.v-21' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '#method.from_request-20' class = 'fnname' > from_request< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> , _: & Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Config" title = "type actix_web::FromRequest::Config" > Config< / a > ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/extractor.rs.html#207-211' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < h4 id = 'method.extract-21' class = "method" > < span id = 'extract.v-21' class = 'invisible' > < table class = 'table-display' > < tbody > < tr > < td > < code > fn < a href = '../actix_web/trait.FromRequest.html#method.extract' class = 'fnname' > extract< / a > (req: & < a class = "struct" href = "../actix_web/struct.HttpRequest.html" title = "struct actix_web::HttpRequest" > HttpRequest< / a > < S> ) -> Self::< a class = "type" href = "../actix_web/trait.FromRequest.html#associatedtype.Result" title = "type actix_web::FromRequest::Result" > Result< / a > < / code > < / span > < / td > < td > < span class = 'out-of-band' > < div class = 'ghost' > < / div > < a class = 'srclink' href = '../src/actix_web/handler.rs.html#55-57' title = 'goto source code' > [src]< / a > < / td > < / tr > < / tbody > < / table > < / span > < / h4 > < / div > < / div > < script type = "text/javascript" > window . inlined _types = new Set ( [ ] ) ; < / script > < script type = "text/javascript" async
2018-07-21 13:09:47 +02:00
src="../implementors/actix_web/trait.FromRequest.js">
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