hyper/rt/
bounds.rs

1//! Trait aliases
2//!
3//! Traits in this module ease setting bounds and usually automatically
4//! implemented by implementing another trait.
5
6#[cfg(all(feature = "server", feature = "http2"))]
7pub use self::h2::Http2ServerConnExec;
8
9#[cfg(all(feature = "client", feature = "http2"))]
10pub use self::h2_client::Http2ClientConnExec;
11
12#[cfg(all(feature = "client", feature = "http2"))]
13#[cfg_attr(docsrs, doc(cfg(all(feature = "client", feature = "http2"))))]
14mod h2_client {
15    use std::{error::Error, future::Future};
16
17    use crate::rt::{Read, Write};
18    use crate::{proto::h2::client::H2ClientFuture, rt::Executor};
19
20    /// An executor to spawn http2 futures for the client.
21    ///
22    /// This trait is implemented for any type that implements [`Executor`]
23    /// trait for any future.
24    ///
25    /// This trait is sealed and cannot be implemented for types outside this crate.
26    ///
27    /// [`Executor`]: crate::rt::Executor
28    pub trait Http2ClientConnExec<B, T>: sealed_client::Sealed<(B, T)>
29    where
30        B: http_body::Body,
31        B::Error: Into<Box<dyn Error + Send + Sync>>,
32        T: Read + Write + Unpin,
33    {
34        #[doc(hidden)]
35        fn execute_h2_future(&mut self, future: H2ClientFuture<B, T>);
36    }
37
38    impl<E, B, T> Http2ClientConnExec<B, T> for E
39    where
40        E: Executor<H2ClientFuture<B, T>>,
41        B: http_body::Body + 'static,
42        B::Error: Into<Box<dyn Error + Send + Sync>>,
43        H2ClientFuture<B, T>: Future<Output = ()>,
44        T: Read + Write + Unpin,
45    {
46        fn execute_h2_future(&mut self, future: H2ClientFuture<B, T>) {
47            self.execute(future)
48        }
49    }
50
51    impl<E, B, T> sealed_client::Sealed<(B, T)> for E
52    where
53        E: Executor<H2ClientFuture<B, T>>,
54        B: http_body::Body + 'static,
55        B::Error: Into<Box<dyn Error + Send + Sync>>,
56        H2ClientFuture<B, T>: Future<Output = ()>,
57        T: Read + Write + Unpin,
58    {
59    }
60
61    mod sealed_client {
62        pub trait Sealed<X> {}
63    }
64}
65
66#[cfg(all(feature = "server", feature = "http2"))]
67#[cfg_attr(docsrs, doc(cfg(all(feature = "server", feature = "http2"))))]
68mod h2 {
69    use crate::{proto::h2::server::H2Stream, rt::Executor};
70    use http_body::Body;
71    use std::future::Future;
72
73    /// An executor to spawn http2 connections.
74    ///
75    /// This trait is implemented for any type that implements [`Executor`]
76    /// trait for any future.
77    ///
78    /// This trait is sealed and cannot be implemented for types outside this crate.
79    ///
80    /// [`Executor`]: crate::rt::Executor
81    pub trait Http2ServerConnExec<F, B: Body>: sealed::Sealed<(F, B)> + Clone {
82        #[doc(hidden)]
83        fn execute_h2stream(&mut self, fut: H2Stream<F, B>);
84    }
85
86    #[doc(hidden)]
87    impl<E, F, B> Http2ServerConnExec<F, B> for E
88    where
89        E: Executor<H2Stream<F, B>> + Clone,
90        H2Stream<F, B>: Future<Output = ()>,
91        B: Body,
92    {
93        fn execute_h2stream(&mut self, fut: H2Stream<F, B>) {
94            self.execute(fut)
95        }
96    }
97
98    impl<E, F, B> sealed::Sealed<(F, B)> for E
99    where
100        E: Executor<H2Stream<F, B>> + Clone,
101        H2Stream<F, B>: Future<Output = ()>,
102        B: Body,
103    {
104    }
105
106    mod sealed {
107        pub trait Sealed<T> {}
108    }
109}
hyper/rt/bounds.rs

hyper/rt/
bounds.rs
