rustc_span: return an impl Iterator instead of a Vec from macro_backtrace.

[rust.git] / src / libcore / pin.rs

diff --git a/src/libcore/pin.rs b/src/libcore/pin.rs
index 6a0c5bbebc1c6cf1270be42fd7217858831a35bf..676d2c784acee2143bf2b72efd441193fac2fffd 100644 (file)
--- a/src/libcore/pin.rs
+++ b/src/libcore/pin.rs
@@ -672,6 +672,7 @@ impl<'a, T: ?Sized> Pin<&'a T> {
     #[stable(feature = "pin", since = "1.33.0")]
     pub unsafe fn map_unchecked<U, F>(self, func: F) -> Pin<&'a U>
     where
+        U: ?Sized,
         F: FnOnce(&T) -> &U,
     {
         let pointer = &*self.pointer;
@@ -763,6 +764,7 @@ pub unsafe fn get_unchecked_mut(self) -> &'a mut T {
     #[stable(feature = "pin", since = "1.33.0")]
     pub unsafe fn map_unchecked_mut<U, F>(self, func: F) -> Pin<&'a mut U>
     where
+        U: ?Sized,
         F: FnOnce(&mut T) -> &mut U,
     {
         let pointer = Pin::get_unchecked_mut(self);
@@ -786,7 +788,7 @@ fn deref_mut(&mut self) -> &mut P::Target {
     }
 }
 
-#[unstable(feature = "receiver_trait", issue = "0")]
+#[unstable(feature = "receiver_trait", issue = "none")]
 impl<P: Receiver> Receiver for Pin<P> {}
 
 #[stable(feature = "pin", since = "1.33.0")]