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

[rust.git] / src / libcore / array / mod.rs

diff --git a/src/libcore/array/mod.rs b/src/libcore/array/mod.rs
index 38d248d701d4a96138aec8877b50ead1bd5fd792..937451274cfc2fe85b94c55945df8a78f5aec627 100644 (file)
--- a/src/libcore/array/mod.rs
+++ b/src/libcore/array/mod.rs
@@ -10,7 +10,7 @@
 use crate::cmp::Ordering;
 use crate::convert::{Infallible, TryFrom};
 use crate::fmt;
-use crate::hash::{Hash, self};
+use crate::hash::{self, Hash};
 use crate::marker::Unsize;
 use crate::slice::{Iter, IterMut};
 
@@ -71,10 +71,12 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
 }
 
 impl TryFromSliceError {
-    #[unstable(feature = "array_error_internals",
-           reason = "available through Error trait and this method should not \
+    #[unstable(
+        feature = "array_error_internals",
+        reason = "available through Error trait and this method should not \
                      be exposed publicly",
-           issue = "0")]
+        issue = "none"
+    )]
     #[inline]
     #[doc(hidden)]
     pub fn __description(&self) -> &str {
@@ -385,17 +387,18 @@ fn ne(&self, other: &&'b mut [B]) -> bool {
 }
 
 /// Implemented for lengths where trait impls are allowed on arrays in core/std
-#[rustc_on_unimplemented(
-    message="arrays only have std trait implementations for lengths 0..=32",
+#[rustc_on_unimplemented(message = "arrays only have std trait implementations for lengths 0..=32")]
+#[unstable(
+    feature = "const_generic_impls_guard",
+    issue = "none",
+    reason = "will never be stable, just a temporary step until const generics are stable"
 )]
-#[unstable(feature = "const_generic_impls_guard", issue = "0",
-    reason = "will never be stable, just a temporary step until const generics are stable")]
 pub trait LengthAtMost32 {}
 
 macro_rules! array_impls {
     ($($N:literal)+) => {
         $(
-            #[unstable(feature = "const_generic_impls_guard", issue = "0")]
+            #[unstable(feature = "const_generic_impls_guard", issue = "none")]
             impl<T> LengthAtMost32 for [T; $N] {}
         )+
     }
@@ -429,4 +432,4 @@ macro_rules! array_impl_default {
     };
 }
 
-array_impl_default!{32, T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T}
+array_impl_default! {32, T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T}