user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Stabilize vec_deque_pop_if

Browse source
This commit is contained in:
Pavel Grigorenko 2025-08-20 00:25:31 +03:00
parent 6501e64fcb
commit 2f4813fa0a
2 changed files with 4 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

10
library/alloc/src/collections/vec_deque/mod.rs
View file

@ -1831,7 +1831,6 @@ impl<T, A: Allocator> VecDeque<T, A> {
/// # Examples
///
/// ```
/// #![feature(vec_deque_pop_if)]
/// use std::collections::VecDeque;
///
/// let mut deque: VecDeque<i32> = vec![0, 1, 2, 3, 4].into();
@ -1841,7 +1840,7 @@ impl<T, A: Allocator> VecDeque<T, A> {
/// assert_eq!(deque, [1, 2, 3, 4]);
/// assert_eq!(deque.pop_front_if(pred), None);
/// ```
#[unstable(feature = "vec_deque_pop_if", issue = "135889")]
#[stable(feature = "vec_deque_pop_if", since = "CURRENT_RUSTC_VERSION")]
pub fn pop_front_if(&mut self, predicate: impl FnOnce(&mut T) -> bool) -> Option<T> {
let first = self.front_mut()?;
if predicate(first) { self.pop_front() } else { None }
@ -1854,7 +1853,6 @@ impl<T, A: Allocator> VecDeque<T, A> {
/// # Examples
///
/// ```
/// #![feature(vec_deque_pop_if)]
/// use std::collections::VecDeque;
///
/// let mut deque: VecDeque<i32> = vec![0, 1, 2, 3, 4].into();
@ -1864,10 +1862,10 @@ impl<T, A: Allocator> VecDeque<T, A> {
/// assert_eq!(deque, [0, 1, 2, 3]);
/// assert_eq!(deque.pop_back_if(pred), None);
/// ```
#[unstable(feature = "vec_deque_pop_if", issue = "135889")]
#[stable(feature = "vec_deque_pop_if", since = "CURRENT_RUSTC_VERSION")]
pub fn pop_back_if(&mut self, predicate: impl FnOnce(&mut T) -> bool) -> Option<T> {
let first = self.back_mut()?;
if predicate(first) { self.pop_back() } else { None }
let last = self.back_mut()?;
if predicate(last) { self.pop_back() } else { None }
}
/// Prepends an element to the deque.

1
library/alloctests/tests/lib.rs
View file

@ -37,7 +37,6 @@
#![feature(str_as_str)]
#![feature(strict_provenance_lints)]
#![feature(string_replace_in_place)]
#![feature(vec_deque_pop_if)]
#![feature(vec_deque_truncate_front)]
#![feature(unique_rc_arc)]
#![feature(macro_metavar_expr_concat)]