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Rollup merge of #82862 - athre0z:generalize-vec-write-impl, r=TimDiekmann 

Generalize Write impl for Vec<u8> to Vec<u8, A>

As discussed in the [issue tracker for the wg-allocators working group][1], updating this impl for allocator support was most likely just forgotten previously. This PR fixes this.

r? `````@TimDiekmann`````

[1]: https://github.com/rust-lang/wg-allocators/issues/86
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Dylan DPC 2021-03-08 13:13:27 +01:00 committed by GitHub
parent 08475e7873 ab8995bbca
commit 3b0a02a26b
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1 changed files with 2 additions and 1 deletions
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3
library/std/src/io/impls.rs
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@ -1,6 +1,7 @@
#[cfg(test)]
mod tests;
use crate::alloc::Allocator;
use crate::cmp;
use crate::fmt;
use crate::io::{
@ -357,7 +358,7 @@ impl Write for &mut [u8] {
/// Write is implemented for `Vec<u8>` by appending to the vector.
/// The vector will grow as needed.
#[stable(feature = "rust1", since = "1.0.0")]
impl Write for Vec<u8> {
impl<A: Allocator> Write for Vec<u8, A> {
#[inline]
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.extend_from_slice(buf);