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Code Issues Releases Wiki Activity

impl FromRequest for () (#449)

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Erik Desjardins 2018-08-06 03:44:08 -04:00 committed by Douman
parent f4fba5f481
commit 954f1a0b0f
1 changed files with 8 additions and 0 deletions
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8
src/extractor.rs
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@ -690,6 +690,12 @@ macro_rules! tuple_from_req ({$fut_type:ident, $(($n:tt, $T:ident)),+} => {
} }
}); });
impl<S> FromRequest<S> for () {
type Config = ();
type Result = Self;
fn from_request(_req: &HttpRequest<S>, _cfg: &Self::Config) -> Self::Result {}
}
tuple_from_req!(TupleFromRequest1, (0, A)); tuple_from_req!(TupleFromRequest1, (0, A));
tuple_from_req!(TupleFromRequest2, (0, A), (1, B)); tuple_from_req!(TupleFromRequest2, (0, A), (1, B));
tuple_from_req!(TupleFromRequest3, (0, A), (1, B), (2, C)); tuple_from_req!(TupleFromRequest3, (0, A), (1, B), (2, C));
@ -1006,5 +1012,7 @@ mod tests {
assert_eq!((res.0).1, "user1"); assert_eq!((res.0).1, "user1");
assert_eq!((res.1).0, "name"); assert_eq!((res.1).0, "name");
assert_eq!((res.1).1, "user1"); assert_eq!((res.1).1, "user1");
let () = <()>::extract(&req);
} }
} }