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fix stability annotations for Box::downcast

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This commit is contained in:
Ibraheem Ahmed 2021-12-03 16:06:13 -05:00
parent 25271a5a98
commit 4ec5cdc94b
1 changed files with 2 additions and 2 deletions
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4
library/alloc/src/boxed.rs
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@ -1500,7 +1500,7 @@ impl<A: Allocator> Box<dyn Any, A> {
/// print_if_string(Box::new(0i8));
/// ```
#[inline]
#[stable(feature = "box_send_sync_any_downcast", since = "1.51.0")]
#[stable(feature = "rust1", since = "1.0.0")]
pub fn downcast<T: Any>(self) -> Result<Box<T, A>, Self> {
if self.is::<T>() { unsafe { Ok(self.downcast_unchecked::<T>()) } } else { Err(self) }
}
@ -1559,7 +1559,7 @@ impl<A: Allocator> Box<dyn Any + Send, A> {
/// print_if_string(Box::new(0i8));
/// ```
#[inline]
#[stable(feature = "box_send_sync_any_downcast", since = "1.51.0")]
#[stable(feature = "rust1", since = "1.0.0")]
pub fn downcast<T: Any>(self) -> Result<Box<T, A>, Self> {
if self.is::<T>() { unsafe { Ok(self.downcast_unchecked::<T>()) } } else { Err(self) }
}