allow BufReader::peek to be called on unsized types

lolbinarycat · lolbinarycat · commit ae6f8a7764bd · 2024-08-28T13:56:44.000-04:00
diff --git a/library/std/src/io/buffered/bufreader.rs b/library/std/src/io/buffered/bufreader.rs
@@ -94,7 +94,9 @@ impl<R: Read> BufReader<R> {
     pub fn with_capacity(capacity: usize, inner: R) -> BufReader<R> {
         BufReader { inner, buf: Buffer::with_capacity(capacity) }
     }
+}
 
+impl<R: Read + ?Sized> BufReader<R> {
     /// Attempt to look ahead `n` bytes.
     ///
     /// `n` must be less than `capacity`.

Original file line number	Diff line number	Diff line change
`@@ -94,7 +94,9 @@ impl<R: Read> BufReader<R> {`
`94`	`94`	`pub fn with_capacity(capacity: usize, inner: R) -> BufReader<R> {`
`95`	`95`	`BufReader { inner, buf: Buffer::with_capacity(capacity) }`
`96`	`96`	`}`
	`97`	`+}`
`97`	`98`
	`99`	`+impl<R: Read + ?Sized> BufReader<R> {`
`98`	`100`	/// Attempt to look ahead `n` bytes.
`99`	`101`	`///`
`100`	`102`	/// `n` must be less than `capacity`.