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added extractor configuration

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This commit is contained in:
Nikolay Kim
2018-04-03 22:06:18 -07:00
parent a255a6fb69
commit df21892b5b
10 changed files with 253 additions and 62 deletions
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10
src/handler.rs
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@@ -37,9 +37,14 @@ pub trait Responder {
/// Types that implement this trait can be used with `Route::with()` method.
pub trait FromRequest<S>: Sized where S: 'static
{
/// Configuration for conversion process
type Config: Default;
/// Future that resolves to a Self
type Result: Future<Item=Self, Error=Error>;
fn from_request(req: &HttpRequest<S>) -> Self::Result;
/// Convert request to a Self
fn from_request(req: &HttpRequest<S>, cfg: &Self::Config) -> Self::Result;
}
/// Combines two different responder types into a single type
@@ -433,10 +438,11 @@ impl<S> Deref for State<S> {
impl<S: 'static> FromRequest<S> for State<S>
{
type Config = ();
type Result = FutureResult<Self, Error>;
#[inline]
fn from_request(req: &HttpRequest<S>) -> Self::Result {
fn from_request(req: &HttpRequest<S>, _: &Self::Config) -> Self::Result {
ok(State(req.clone()))
}
}