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Auto merge of #90602 - mbartlett21:const-intoiterator, r=oli-obk

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Unstably constify `impl<I: Iterator> IntoIterator for I`

This constifies the default `IntoIterator` implementation under the `const_intoiterator_identity` feature.

Tracking Issue: #90603
This commit is contained in:
bors 2022-04-23 15:41:45 +00:00
commit 6b4563bf93
4 changed files with 8 additions and 7 deletions
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3
library/core/src/iter/traits/collect.rs
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@ -267,8 +267,9 @@ pub trait IntoIterator {
fn into_iter(self) -> Self::IntoIter;
}
#[rustc_const_unstable(feature = "const_intoiterator_identity", issue = "90603")]
#[stable(feature = "rust1", since = "1.0.0")]
impl<I: Iterator> IntoIterator for I {
impl<I: ~const Iterator> const IntoIterator for I {
type Item = I::Item;
type IntoIter = I;