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stabilize Peekable::next_if_map (#![feature(peekable_next_if_map)]) #148941

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stabilize Peekable::next_if_map (#![feature(peekable_next_if_map)]) #148941

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4 changes: 1 addition & 3 deletions library/core/src/iter/adapters/peekable.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -335,7 +335,6 @@ impl<I: Iterator> Peekable<I> {
///
/// Parse the leading decimal number from an iterator of characters.
/// ```
/// #![feature(peekable_next_if_map)]
/// let mut iter = "125 GOTO 10".chars().peekable();
/// let mut line_num = 0_u32;
/// while let Some(digit) = iter.next_if_map(|c| c.to_digit(10).ok_or(c)) {
Expand All @@ -347,7 +346,6 @@ impl<I: Iterator> Peekable<I> {
///
/// Matching custom types.
/// ```
/// #![feature(peekable_next_if_map)]
///
/// #[derive(Debug, PartialEq, Eq)]
/// enum Node {
Expand Down Expand Up @@ -406,7 +404,7 @@ impl<I: Iterator> Peekable<I> {
///# ],
///# )
/// ```
#[unstable(feature = "peekable_next_if_map", issue = "143702")]
#[stable(feature = "peekable_next_if_map", since = "CURRENT_RUSTC_VERSION")]
pub fn next_if_map<R>(&mut self, f: impl FnOnce(I::Item) -> Result<R, I::Item>) -> Option<R> {
let unpeek = if let Some(item) = self.next() {
match f(item) {
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1 change: 0 additions & 1 deletion library/coretests/tests/lib.rs
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Expand Up @@ -92,7 +92,6 @@
#![feature(one_sided_range)]
#![feature(option_reduce)]
#![feature(pattern)]
#![feature(peekable_next_if_map)]
#![feature(pointer_is_aligned_to)]
#![feature(portable_simd)]
#![feature(ptr_metadata)]
Expand Down
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