puzz-http 0.1.0

A set of types for representing HTTP requests and responses.
Documentation 
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use std::fmt;
use std::pin::Pin;
use std::task::{Context, Poll};

use bytes::Bytes;

use super::{Body, BodyExt, SizeHint};

pub struct BoxBody {
    inner: Pin<Box<dyn Body<Error = Box<dyn std::error::Error>>>>,
}

impl BoxBody {
    pub fn new<B>(body: B) -> Self
    where
        B: Body + 'static,
        B::Error: Into<Box<dyn std::error::Error>>,
    {
        Self {
            inner: Box::pin(body.map_err(Into::into)),
        }
    }
}

impl Body for BoxBody {
    type Error = Box<dyn std::error::Error>;

    fn poll_next(
        mut self: Pin<&mut Self>,
        cx: &mut Context<'_>,
    ) -> Poll<Option<Result<Bytes, Self::Error>>> {
        self.inner.as_mut().poll_next(cx)
    }

    fn size_hint(&self) -> SizeHint {
        self.inner.size_hint()
    }
}

impl fmt::Debug for BoxBody {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("BoxBody").finish()
    }
}

impl Default for BoxBody {
    fn default() -> Self {
        BoxBody::new(())
    }
}