Struct bytes::buf::Writer [] [src]

pub struct Writer<B> { /* fields omitted */ }

A BufMut adapter which implements io::Write for the inner value.

This struct is generally created by calling writer() on BufMut. See documentation of writer() for more details.

Methods

impl<B: BufMut> Writer<B>
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Important traits for &'a mut R
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Gets a reference to the underlying BufMut.

It is inadvisable to directly write to the underlying BufMut.

Examples

use bytes::BufMut;

let mut buf = Vec::with_capacity(1024).writer();

assert_eq!(1024, buf.get_ref().capacity());

Important traits for &'a mut R
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Gets a mutable reference to the underlying BufMut.

It is inadvisable to directly write to the underlying BufMut.

Examples

use bytes::BufMut;

let mut buf = vec![].writer();

buf.get_mut().reserve(1024);

assert_eq!(1024, buf.get_ref().capacity());

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Consumes this Writer, returning the underlying value.

Examples

use bytes::BufMut;
use std::io::{self, Cursor};

let mut buf = vec![].writer();
let mut src = Cursor::new(b"hello world");

io::copy(&mut src, &mut buf).unwrap();

let buf = buf.into_inner();
assert_eq!(*buf, b"hello world"[..]);

Trait Implementations

impl<B: Debug> Debug for Writer<B>
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Formats the value using the given formatter. Read more

impl<B: BufMut + Sized> Write for Writer<B>
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Write a buffer into this object, returning how many bytes were written. Read more

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Flush this output stream, ensuring that all intermediately buffered contents reach their destination. Read more

1.0.0
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Attempts to write an entire buffer into this write. Read more

1.0.0
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Writes a formatted string into this writer, returning any error encountered. Read more

Important traits for &'a mut R
1.0.0
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Creates a "by reference" adaptor for this instance of Write. Read more