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commit dad808353e3 (HEAD)
Author: Scott McMurray <scottmcm@users.noreply.github.com>
Date: 2024-08-19T22:39:04-0700 (Monday)
Stabilize `iter::repeat_n`
diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs
index 28b08ef5611..6d23f9bb431 100644
--- a/library/alloc/src/lib.rs
+++ b/library/alloc/src/lib.rs
@@ -131,7 +131,6 @@
#![feature(inplace_iteration)]
#![feature(iter_advance_by)]
#![feature(iter_next_chunk)]
-#![feature(iter_repeat_n)]
#![feature(layout_for_ptr)]
#![feature(local_waker)]
#![feature(maybe_uninit_slice)]
diff --git a/library/core/src/iter/mod.rs b/library/core/src/iter/mod.rs
index 1f2bf49d2b7..5dad9e1a75e 100644
--- a/library/core/src/iter/mod.rs
+++ b/library/core/src/iter/mod.rs
@@ -436,7 +436,7 @@ fn $fold<AAA, FFF>(mut self, init: AAA, fold: FFF) -> AAA
pub use self::sources::{once_with, OnceWith};
#[stable(feature = "rust1", since = "1.0.0")]
pub use self::sources::{repeat, Repeat};
-#[unstable(feature = "iter_repeat_n", issue = "104434")]
+#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")]
pub use self::sources::{repeat_n, RepeatN};
#[stable(feature = "iterator_repeat_with", since = "1.28.0")]
pub use self::sources::{repeat_with, RepeatWith};
diff --git a/library/core/src/iter/sources.rs b/library/core/src/iter/sources.rs
index 6a94051b7c7..55901e1e50b 100644
--- a/library/core/src/iter/sources.rs
+++ b/library/core/src/iter/sources.rs
@@ -24,7 +24,7 @@
pub use self::once_with::{once_with, OnceWith};
#[stable(feature = "rust1", since = "1.0.0")]
pub use self::repeat::{repeat, Repeat};
-#[unstable(feature = "iter_repeat_n", issue = "104434")]
+#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")]
pub use self::repeat_n::{repeat_n, RepeatN};
#[stable(feature = "iterator_repeat_with", since = "1.28.0")]
pub use self::repeat_with::{repeat_with, RepeatWith};
diff --git a/library/core/src/iter/sources/repeat_n.rs b/library/core/src/iter/sources/repeat_n.rs
index 4c4ae39f836..2e247a34075 100644
--- a/library/core/src/iter/sources/repeat_n.rs
+++ b/library/core/src/iter/sources/repeat_n.rs
@@ -18,7 +18,6 @@
/// Basic usage:
///
/// ```
-/// #![feature(iter_repeat_n)]
/// use std::iter;
///
/// // four of the number four:
@@ -36,7 +35,6 @@
/// For non-`Copy` types,
///
/// ```
-/// #![feature(iter_repeat_n)]
/// use std::iter;
///
/// let v: Vec<i32> = Vec::with_capacity(123);
@@ -58,7 +56,7 @@
/// assert_eq!(None, it.next());
/// ```
#[inline]
-#[unstable(feature = "iter_repeat_n", issue = "104434")]
+#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")]
pub fn repeat_n<T: Clone>(element: T, count: usize) -> RepeatN<T> {
let mut element = ManuallyDrop::new(element);
@@ -77,7 +75,7 @@ pub fn repeat_n<T: Clone>(element: T, count: usize) -> RepeatN<T> {
/// This `struct` is created by the [`repeat_n()`] function.
/// See its documentation for more.
#[derive(Clone, Debug)]
-#[unstable(feature = "iter_repeat_n", issue = "104434")]
+#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")]
pub struct RepeatN<A> {
count: usize,
// Invariant: has been dropped iff count == 0.
@@ -101,14 +99,14 @@ fn take_element(&mut self) -> Option<A> {
}
}
-#[unstable(feature = "iter_repeat_n", issue = "104434")]
+#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")]
impl<A> Drop for RepeatN<A> {
fn drop(&mut self) {
self.take_element();
}
}
-#[unstable(feature = "iter_repeat_n", issue = "104434")]
+#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")]
impl<A: Clone> Iterator for RepeatN<A> {
type Item = A;
@@ -156,14 +154,14 @@ fn count(self) -> usize {
}
}
-#[unstable(feature = "iter_repeat_n", issue = "104434")]
+#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")]
impl<A: Clone> ExactSizeIterator for RepeatN<A> {
fn len(&self) -> usize {
self.count
}
}
-#[unstable(feature = "iter_repeat_n", issue = "104434")]
+#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")]
impl<A: Clone> DoubleEndedIterator for RepeatN<A> {
#[inline]
fn next_back(&mut self) -> Option<A> {
@@ -181,12 +179,12 @@ fn nth_back(&mut self, n: usize) -> Option<A> {
}
}
-#[unstable(feature = "iter_repeat_n", issue = "104434")]
+#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")]
impl<A: Clone> FusedIterator for RepeatN<A> {}
#[unstable(feature = "trusted_len", issue = "37572")]
unsafe impl<A: Clone> TrustedLen for RepeatN<A> {}
-#[unstable(feature = "trusted_len_next_unchecked", issue = "37572")]
+#[stable(feature = "iter_repeat_n", since = "CURRENT_RUSTC_VERSION")]
impl<A: Clone> UncheckedIterator for RepeatN<A> {
#[inline]
unsafe fn next_unchecked(&mut self) -> Self::Item {
diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs
index 1e336bf96b8..40d67f707e8 100644
--- a/library/core/tests/lib.rs
+++ b/library/core/tests/lib.rs
@@ -73,7 +73,6 @@
#![feature(iter_next_chunk)]
#![feature(iter_order_by)]
#![feature(iter_partition_in_place)]
-#![feature(iter_repeat_n)]
#![feature(iterator_try_collect)]
#![feature(iterator_try_reduce)]
#![feature(layout_for_ptr)]