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Rollup merge of #81012 - VillSnow:stabilize_partition_point, r=matklad

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Stabilize the partition_point feature

Stabilize the partition_point feature.
Tracking Issue: #73831
First PR: #73577
This commit is contained in:
Dylan DPC 2021-02-12 22:53:28 +01:00 committed by GitHub
commit 8280abc57b
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2 changed files with 24 additions and 4 deletions
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27
library/core/src/slice/mod.rs
View File

@ -2082,6 +2082,12 @@ impl<T> [T] {
/// [`Result::Err`] is returned, containing the index where a matching
/// element could be inserted while maintaining sorted order.
///
/// See also [`binary_search_by`], [`binary_search_by_key`], and [`partition_point`].
///
/// [`binary_search_by`]: #method.binary_search_by
/// [`binary_search_by_key`]: #method.binary_search_by_key
/// [`partition_point`]: #method.partition_point
///
/// # Examples
///
/// Looks up a series of four elements. The first is found, with a
@ -2129,6 +2135,12 @@ impl<T> [T] {
/// [`Result::Err`] is returned, containing the index where a matching
/// element could be inserted while maintaining sorted order.
///
/// See also [`binary_search`], [`binary_search_by_key`], and [`partition_point`].
///
/// [`binary_search`]: #method.binary_search
/// [`binary_search_by_key`]: #method.binary_search_by_key
/// [`partition_point`]: #method.partition_point
///
/// # Examples
///
/// Looks up a series of four elements. The first is found, with a
@ -2186,7 +2198,12 @@ impl<T> [T] {
/// [`Result::Err`] is returned, containing the index where a matching
/// element could be inserted while maintaining sorted order.
///
/// See also [`binary_search`], [`binary_search_by`], and [`partition_point`].
///
/// [`sort_by_key`]: #method.sort_by_key
/// [`binary_search`]: #method.binary_search
/// [`binary_search_by`]: #method.binary_search_by
/// [`partition_point`]: #method.partition_point
///
/// # Examples
///
@ -3399,11 +3416,15 @@ impl<T> [T] {
/// If this slice is not partitioned, the returned result is unspecified and meaningless,
/// as this method performs a kind of binary search.
///
/// See also [`binary_search`], [`binary_search_by`], and [`binary_search_by_key`].
///
/// [`binary_search`]: #method.binary_search
/// [`binary_search_by`]: #method.binary_search_by
/// [`binary_search_by_key`]: #method.binary_search_by_key
///
/// # Examples
///
/// ```
/// #![feature(partition_point)]
///
/// let v = [1, 2, 3, 3, 5, 6, 7];
/// let i = v.partition_point(|&x| x < 5);
///
@ -3411,7 +3432,7 @@ impl<T> [T] {
/// assert!(v[..i].iter().all(|&x| x < 5));
/// assert!(v[i..].iter().all(|&x| !(x < 5)));
/// ```
#[unstable(feature = "partition_point", reason = "new API", issue = "73831")]
#[stable(feature = "partition_point", since = "1.52.0")]
pub fn partition_point<P>(&self, mut pred: P) -> usize
where
P: FnMut(&T) -> bool,

1
library/core/tests/lib.rs
View File

@ -67,7 +67,6 @@
#![feature(option_result_unwrap_unchecked)]
#![feature(option_unwrap_none)]
#![feature(peekable_peek_mut)]
#![feature(partition_point)]
#![feature(once_cell)]
#![feature(unsafe_block_in_unsafe_fn)]
#![feature(int_bits_const)]