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Rollup merge of #76302 - jyn514:peekable-2, r=Dylan-DPC

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Address review comments on `Peekable::next_if`

r? @pickfire
See https://github.com/rust-lang/rust/pull/72310#pullrequestreview-480895893 for context.
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Dylan DPC 2020-09-07 01:17:54 +02:00 committed by GitHub
commit ee840db718
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1 changed files with 5 additions and 5 deletions
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10
library/core/src/iter/adapters/mod.rs
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@ -1772,7 +1772,7 @@ impl<I: Iterator> Peekable<I> {
self.peeked.get_or_insert_with(|| iter.next()).as_ref()
}
/// Consume the next value of this iterator if a condition is true.
/// Consume and return the next value of this iterator if a condition is true.
///
/// If `func` returns `true` for the next value of this iterator, consume and return it.
/// Otherwise, return `None`.
@ -1812,7 +1812,7 @@ impl<I: Iterator> Peekable<I> {
}
}
/// Consume the next item if it is equal to `expected`.
/// Consume and return the next item if it is equal to `expected`.
///
/// # Example
/// Consume a number if it's equal to 0.
@ -1827,10 +1827,10 @@ impl<I: Iterator> Peekable<I> {
/// assert_eq!(iter.next(), Some(1));
/// ```
#[unstable(feature = "peekable_next_if", issue = "72480")]
pub fn next_if_eq<R>(&mut self, expected: &R) -> Option<I::Item>
pub fn next_if_eq<T>(&mut self, expected: &T) -> Option<I::Item>
where
R: ?Sized,
I::Item: PartialEq<R>,
T: ?Sized,
I::Item: PartialEq<T>,
{
self.next_if(|next| next == expected)
}