hwire 0.2.5

An HTTP library written in Rust
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//! Trait aliases
//!
//! Traits in this module ease setting bounds and usually automatically
//! implemented by implementing another trait.

pub use self::h2_client::Http2ClientConnExec;
pub(crate) use self::h2_common::Http2UpgradedExec;

mod h2_common {
    use crate::{proto::http2::upgrade::UpgradedSendStreamTask, rt::Executor};

    pub trait Http2UpgradedExec<B> {
        fn execute_upgrade(&self, future: UpgradedSendStreamTask<B>);
    }

    impl<E, B> Http2UpgradedExec<B> for E
    where
        E: Executor<UpgradedSendStreamTask<B>>,
    {
        fn execute_upgrade(&self, future: UpgradedSendStreamTask<B>) {
            self.execute(future);
        }
    }
}

mod h2_client {
    use std::future::Future;

    use tokio::io::{AsyncRead, AsyncWrite};

    use crate::{error::BoxError, proto::http2::client::H2ClientFuture, rt::Executor};

    /// An executor to spawn http2 futures for the client.
    ///
    /// This trait is implemented for any type that implements [`Executor`]
    /// trait for any future.
    ///
    /// This trait is sealed and cannot be implemented for types outside this crate.
    pub trait Http2ClientConnExec<B, T>:
        super::Http2UpgradedExec<B::Data> + sealed_client::Sealed<(B, T)> + Clone
    where
        B: http_body::Body,
        B::Error: Into<BoxError>,
        T: AsyncRead + AsyncWrite + Unpin,
    {
        #[doc(hidden)]
        fn execute_h2_future(&mut self, future: H2ClientFuture<B, T, Self>);
    }

    impl<E, B, T> Http2ClientConnExec<B, T> for E
    where
        E: Executor<H2ClientFuture<B, T, E>> + super::Http2UpgradedExec<B::Data> + Clone,
        B: http_body::Body + 'static,
        B::Error: Into<BoxError>,
        H2ClientFuture<B, T, E>: Future<Output = ()>,
        T: AsyncRead + AsyncWrite + Unpin,
    {
        #[inline]
        fn execute_h2_future(&mut self, future: H2ClientFuture<B, T, E>) {
            self.execute(future)
        }
    }

    impl<E, B, T> sealed_client::Sealed<(B, T)> for E
    where
        E: Executor<H2ClientFuture<B, T, E>> + super::Http2UpgradedExec<B::Data> + Clone,
        B: http_body::Body + 'static,
        B::Error: Into<BoxError>,
        H2ClientFuture<B, T, E>: Future<Output = ()>,
        T: AsyncRead + AsyncWrite + Unpin,
    {
    }

    mod sealed_client {
        pub trait Sealed<X> {}
    }
}