Allow converting Box<T: !Sized> -> Pin<Box<T>>

Nemo157 · Nemo157 · commit 5e3a56029942 · 2019-01-03T21:03:29.000+01:00
diff --git a/src/liballoc/boxed.rs b/src/liballoc/boxed.rs
@@ -451,7 +451,7 @@ impl<T> From<T> for Box<T> {
 }
 
 #[stable(feature = "pin", since = "1.33.0")]
-impl<T> From<Box<T>> for Pin<Box<T>> {
+impl<T: ?Sized> From<Box<T>> for Pin<Box<T>> {
     /// Converts a `Box<T>` into a `Pin<Box<T>>`
     ///
     /// This conversion does not allocate on the heap and happens in place.

Original file line number	Diff line number	Diff line change
`@@ -451,7 +451,7 @@ impl<T> From<T> for Box<T> {`
`451`	`451`	`}`
`452`	`452`
`453`	`453`	`#[stable(feature = "pin", since = "1.33.0")]`
`454`		`-impl<T> From<Box<T>> for Pin<Box<T>> {`
	`454`	`+impl<T: ?Sized> From<Box<T>> for Pin<Box<T>> {`
`455`	`455`	/// Converts a `Box<T>` into a `Pin<Box<T>>`
`456`	`456`	`///`
`457`	`457`	`/// This conversion does not allocate on the heap and happens in place.`