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Merge #171

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171: Add BufRead::consume r=stjepang a=yoshuawuyts

Ref #131. This implements `BufReader::consume`. Thanks!


Note on `fill_buf`: I couldn't get the `async fn fill_buf()` to work, but tracked progress for it here: https://gist.github.com/yoshuawuyts/09bbdc7823225ca96b5e35cd1da5d581. Got some lifetimes isssues. If anyone wants to give this a shot, please do!

Co-authored-by: Yoshua Wuyts <yoshuawuyts@gmail.com>
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bors[bot] 2019-09-16 06:38:44 +00:00 committed by GitHub
commit c6fecbd4ef
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1 changed files with 11 additions and 1 deletions
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12
src/io/buf_read/mod.rs
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@ -43,6 +43,12 @@ cfg_if! {
/// [`futures::io::AsyncBufRead`]: /// [`futures::io::AsyncBufRead`]:
/// https://docs.rs/futures-preview/0.3.0-alpha.17/futures/io/trait.AsyncBufRead.html /// https://docs.rs/futures-preview/0.3.0-alpha.17/futures/io/trait.AsyncBufRead.html
pub trait BufRead { pub trait BufRead {
/// Tells this buffer that `amt` bytes have been consumed from the buffer, so they should no
/// longer be returned in calls to `read`.
fn consume(&mut self, amt: usize)
where
Self: Unpin;
/// Returns the contents of the internal buffer, filling it with more data from the inner /// Returns the contents of the internal buffer, filling it with more data from the inner
/// reader if it is empty. /// reader if it is empty.
/// ///
@ -217,7 +223,11 @@ pub trait BufRead {
} }
} }
impl<T: AsyncBufRead + Unpin + ?Sized> BufRead for T {} impl<T: AsyncBufRead + Unpin + ?Sized> BufRead for T {
fn consume(&mut self, amt: usize) {
AsyncBufRead::consume(Pin::new(self), amt)
}
}
pub fn read_until_internal<R: AsyncBufRead + ?Sized>( pub fn read_until_internal<R: AsyncBufRead + ?Sized>(
mut reader: Pin<&mut R>, mut reader: Pin<&mut R>,