poem/endpoint/
before.rs

1use std::future::Future;
2
3use crate::{Endpoint, Request, Result};
4
5/// Endpoint for the [`before`](super::EndpointExt::before) method.
6pub struct Before<E, F> {
7    inner: E,
8    f: F,
9}
10
11impl<E, F> Before<E, F> {
12    #[inline]
13    pub(crate) fn new(inner: E, f: F) -> Before<E, F> {
14        Self { inner, f }
15    }
16}
17
18impl<E, F, Fut> Endpoint for Before<E, F>
19where
20    E: Endpoint,
21    F: Fn(Request) -> Fut + Send + Sync,
22    Fut: Future<Output = Result<Request>> + Send,
23{
24    type Output = E::Output;
25
26    async fn call(&self, req: Request) -> Result<Self::Output> {
27        self.inner.call((self.f)(req).await?).await
28    }
29}
poem/endpoint/before.rs

poem/endpoint/
before.rs
