Auto merge of #58302 - SimonSapin:tryfrom, r=alexcrichton

Stabilize TryFrom and TryInto with a convert::Infallible empty enum

This is the plan proposed in https://github.com/rust-lang/rust/issues/33417#issuecomment-423073898

1 files changed, 4 insertions, 4 deletions

diff --git a/src/libcore/array.rs b/src/libcore/array.rs
index 3a27a39af4a..9c6ecc43502 100644
--- a/src/libcore/array.rs
+++ b/src/libcore/array.rs
@@ -49,7 +49,7 @@ unsafe impl<T, A: Unsize<[T]>> FixedSizeArray<T> for A {
 }
 
 /// The error type returned when a conversion from a slice to an array fails.
-#[unstable(feature = "try_from", issue = "33417")]
+#[stable(feature = "try_from", since = "1.34.0")]
 #[derive(Debug, Copy, Clone)]
 pub struct TryFromSliceError(());
 
@@ -138,7 +138,7 @@ macro_rules! array_impls {
                 }
             }
 
-            #[unstable(feature = "try_from", issue = "33417")]
+            #[stable(feature = "try_from", since = "1.34.0")]
             impl<'a, T> TryFrom<&'a [T]> for [T; $N] where T: Copy {
                 type Error = TryFromSliceError;
 
@@ -147,7 +147,7 @@ macro_rules! array_impls {
                 }
             }
 
-            #[unstable(feature = "try_from", issue = "33417")]
+            #[stable(feature = "try_from", since = "1.34.0")]
             impl<'a, T> TryFrom<&'a [T]> for &'a [T; $N] {
                 type Error = TryFromSliceError;
 
@@ -161,7 +161,7 @@ macro_rules! array_impls {
                 }
             }
 
-            #[unstable(feature = "try_from", issue = "33417")]
+            #[stable(feature = "try_from", since = "1.34.0")]
             impl<'a, T> TryFrom<&'a mut [T]> for &'a mut [T; $N] {
                 type Error = TryFromSliceError;