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implement unstable new_range feature

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for RFC 3550, tracking issue #123741
This commit is contained in:
Peter Jaszkowiak
2025-01-27 13:32:10 -07:00
parent 95eaadc773
commit f530a29944
15 changed files with 210 additions and 14 deletions
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3
library/core/src/range.rs
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@@ -48,6 +48,7 @@ pub use crate::ops::{Bound, OneSidedRange, RangeBounds, RangeFull, RangeTo, Rang
/// assert_eq!(Range::from(3..5), Range { start: 3, end: 5 });
/// assert_eq!(3 + 4 + 5, Range::from(3..6).into_iter().sum());
/// ```
#[cfg_attr(not(bootstrap), lang = "RangeCopy")]
#[derive(Clone, Copy, Default, PartialEq, Eq, Hash)]
#[unstable(feature = "new_range_api", issue = "125687")]
pub struct Range<Idx> {
@@ -205,6 +206,7 @@ impl<T> From<legacy::Range<T>> for Range<T> {
/// assert_eq!(RangeInclusive::from(3..=5), RangeInclusive { start: 3, end: 5 });
/// assert_eq!(3 + 4 + 5, RangeInclusive::from(3..=5).into_iter().sum());
/// ```
#[cfg_attr(not(bootstrap), lang = "RangeInclusiveCopy")]
#[derive(Clone, Copy, PartialEq, Eq, Hash)]
#[unstable(feature = "new_range_api", issue = "125687")]
pub struct RangeInclusive<Idx> {
@@ -388,6 +390,7 @@ impl<T> From<legacy::RangeInclusive<T>> for RangeInclusive<T> {
/// assert_eq!(RangeFrom::from(2..), core::range::RangeFrom { start: 2 });
/// assert_eq!(2 + 3 + 4, RangeFrom::from(2..).into_iter().take(3).sum());
/// ```
#[cfg_attr(not(bootstrap), lang = "RangeFromCopy")]
#[derive(Clone, Copy, PartialEq, Eq, Hash)]
#[unstable(feature = "new_range_api", issue = "125687")]
pub struct RangeFrom<Idx> {