mirror of
https://github.com/tokio-rs/axum.git
synced 2024-11-22 23:30:29 +01:00
a95b48b70c
Since https://github.com/tokio-rs/axum/pull/117 its no longer used. Will be removed in 0.2.
127 lines
3.4 KiB
Rust
127 lines
3.4 KiB
Rust
//! Internal macros
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macro_rules! opaque_future {
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($(#[$m:meta])* pub type $name:ident = $actual:ty;) => {
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opaque_future! {
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$(#[$m])*
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pub type $name<> = $actual;
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}
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};
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($(#[$m:meta])* pub type $name:ident<$($param:ident),*> = $actual:ty;) => {
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pin_project_lite::pin_project! {
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$(#[$m])*
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pub struct $name<$($param),*> {
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#[pin] pub(crate) future: $actual,
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}
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}
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impl<$($param),*> std::fmt::Debug for $name<$($param),*> {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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f.debug_tuple(stringify!($name)).field(&format_args!("...")).finish()
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}
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}
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impl<$($param),*> std::future::Future for $name<$($param),*>
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where
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$actual: std::future::Future,
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{
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type Output = <$actual as std::future::Future>::Output;
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#[inline]
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fn poll(self: std::pin::Pin<&mut Self>, cx: &mut std::task::Context<'_>) -> std::task::Poll<Self::Output> {
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self.project().future.poll(cx)
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}
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}
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};
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}
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macro_rules! define_rejection {
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(
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#[status = $status:ident]
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#[body = $body:expr]
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$(#[$m:meta])*
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pub struct $name:ident;
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) => {
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$(#[$m])*
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#[derive(Debug)]
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#[non_exhaustive]
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pub struct $name;
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#[allow(deprecated)]
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impl $crate::response::IntoResponse for $name {
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fn into_response(self) -> http::Response<$crate::body::Body> {
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let mut res = http::Response::new($crate::body::Body::from($body));
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*res.status_mut() = http::StatusCode::$status;
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res
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}
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}
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};
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(
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#[status = $status:ident]
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#[body = $body:expr]
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$(#[$m:meta])*
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pub struct $name:ident (BoxError);
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) => {
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$(#[$m])*
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#[derive(Debug)]
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pub struct $name(pub(super) tower::BoxError);
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impl $name {
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pub(super) fn from_err<E>(err: E) -> Self
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where
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E: Into<tower::BoxError>,
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{
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Self(err.into())
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}
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}
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impl IntoResponse for $name {
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fn into_response(self) -> http::Response<Body> {
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let mut res =
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http::Response::new(Body::from(format!(concat!($body, ": {}"), self.0)));
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*res.status_mut() = http::StatusCode::$status;
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res
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}
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}
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};
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}
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macro_rules! composite_rejection {
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(
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$(#[$m:meta])*
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pub enum $name:ident {
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$($variant:ident),+
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$(,)?
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}
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) => {
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$(#[$m])*
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#[derive(Debug)]
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#[non_exhaustive]
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pub enum $name {
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$(
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#[allow(missing_docs, deprecated)]
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$variant($variant)
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),+
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}
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impl $crate::response::IntoResponse for $name {
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fn into_response(self) -> http::Response<$crate::body::Body> {
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match self {
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$(
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Self::$variant(inner) => inner.into_response(),
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)+
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}
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}
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}
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$(
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#[allow(deprecated)]
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impl From<$variant> for $name {
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fn from(inner: $variant) -> Self {
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Self::$variant(inner)
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}
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}
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)+
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};
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}
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