X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Flibcore%2Fpin.rs;h=676d2c784acee2143bf2b72efd441193fac2fffd;hb=6980f82c0d152446506fee4d4a45d8afdf4ad9a4;hp=aca6fb201388177004801487ff47b002506a06d8;hpb=26286c7ad0e8a5efc1e6a8ef88ffd64723112ae8;p=rust.git

diff --git a/src/libcore/pin.rs b/src/libcore/pin.rs
index aca6fb20138..676d2c784ac 100644
--- 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);