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This commit is contained in:
David Pedersen
2021-06-07 16:28:40 +02:00
parent d8b0153939
commit d376e49eb9
6 changed files with 65 additions and 3 deletions
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src/extract/mod.rs
+30 -1
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@@ -1,3 +1,5 @@
//! Types and traits for extracting data from requests.
use crate::{body::Body, response::IntoResponse};
use async_trait::async_trait;
use bytes::Bytes;
@@ -275,7 +277,7 @@ macro_rules! impl_parse_url {
};
}
impl_parse_url!(T1, T2, T3, T4, T5, T6);
impl_parse_url!(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16);
fn take_body(req: &mut Request<Body>) -> Result<Body, BodyAlreadyTaken> {
struct BodyAlreadyTakenExt;
@@ -287,3 +289,30 @@ fn take_body(req: &mut Request<Body>) -> Result<Body, BodyAlreadyTaken> {
Ok(body)
}
}
macro_rules! impl_from_request_tuple {
() => {};
( $head:ident, $($tail:ident),* $(,)? ) => {
#[allow(non_snake_case)]
#[async_trait]
impl<R, $head, $($tail,)*> FromRequest for ($head, $($tail,)*)
where
R: IntoResponse,
$head: FromRequest<Rejection = R> + Send,
$( $tail: FromRequest<Rejection = R> + Send, )*
{
type Rejection = R;
async fn from_request(req: &mut Request<Body>) -> Result<Self, Self::Rejection> {
let $head = FromRequest::from_request(req).await?;
$( let $tail = FromRequest::from_request(req).await?; )*
Ok(($head, $($tail,)*))
}
}
impl_from_request_tuple!($($tail,)*);
};
}
impl_from_request_tuple!(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16);