From ab8995bbca73be761402585ead491111163c44d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joel=20Ho=CC=88ner?= <athre0z@zyantific.com>
Date: Sun, 7 Mar 2021 16:22:53 +0100
Subject: [PATCH] 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 implementation for allocator support was most likely just forgotten in the original PR.

[1]: https://github.com/rust-lang/wg-allocators/issues/86
---
 library/std/src/io/impls.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/library/std/src/io/impls.rs b/library/std/src/io/impls.rs
index 00bf8b9af73..9870cfc4c95 100644
--- a/library/std/src/io/impls.rs
+++ b/library/std/src/io/impls.rs
@@ -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 @@ fn flush(&mut self) -> io::Result<()> {
 /// 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);