axum/routing/
into_make_service.rs

1use std::{
2    convert::Infallible,
3    future::ready,
4    task::{Context, Poll},
5};
6use tower_service::Service;
7
8/// A [`MakeService`] that produces axum router services.
9///
10/// [`MakeService`]: tower::make::MakeService
11#[derive(Debug, Clone)]
12pub struct IntoMakeService<S> {
13    svc: S,
14}
15
16impl<S> IntoMakeService<S> {
17    pub(crate) fn new(svc: S) -> Self {
18        Self { svc }
19    }
20}
21
22impl<S, T> Service<T> for IntoMakeService<S>
23where
24    S: Clone,
25{
26    type Response = S;
27    type Error = Infallible;
28    type Future = IntoMakeServiceFuture<S>;
29
30    #[inline]
31    fn poll_ready(&mut self, _cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
32        Poll::Ready(Ok(()))
33    }
34
35    fn call(&mut self, _target: T) -> Self::Future {
36        IntoMakeServiceFuture::new(ready(Ok(self.svc.clone())))
37    }
38}
39
40opaque_future! {
41    /// Response future for [`IntoMakeService`].
42    pub type IntoMakeServiceFuture<S> =
43        std::future::Ready<Result<S, Infallible>>;
44}
45
46#[cfg(test)]
47mod tests {
48    use super::*;
49
50    #[test]
51    fn traits() {
52        use crate::test_helpers::*;
53
54        assert_send::<IntoMakeService<()>>();
55    }
56}
axum/routing/into_make_service.rs

axum/routing/
into_make_service.rs
