bjoernager/rust
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Rename Iterator::fold_first to reduce.

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This commit is contained in:
Mara Bos 2020-12-07 21:23:29 +01:00
parent e708cbd91c
commit 5c056ed2f5
2 changed files with 5 additions and 5 deletions
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2
compiler/rustc_hir/src/hir.rs
View file

@ -358,7 +358,7 @@ impl GenericArgs<'_> {
.iter()
.filter(|arg| !arg.is_synthetic())
.map(|arg| arg.span())
.fold_first(|span1, span2| span1.to(span2))
.reduce(|span1, span2| span1.to(span2))
}
/// Returns span encompassing arguments and their surrounding `<>` or `()`

8
library/core/src/iter/traits/iterator.rs
View file

@ -2138,7 +2138,7 @@ pub trait Iterator {
/// where I: Iterator,
/// I::Item: Ord,
/// {
/// iter.fold_first(|a, b| {
/// iter.reduce(|a, b| {
/// if a >= b { a } else { b }
/// })
/// }
@ -2150,7 +2150,7 @@ pub trait Iterator {
/// ```
#[inline]
#[unstable(feature = "iterator_fold_self", issue = "68125")]
fn fold_first<F>(mut self, f: F) -> Option<Self::Item>
fn reduce<F>(mut self, f: F) -> Option<Self::Item>
where
Self: Sized,
F: FnMut(Self::Item, Self::Item) -> Self::Item,
@ -2647,7 +2647,7 @@ pub trait Iterator {
move |x, y| cmp::max_by(x, y, &mut compare)
}
self.fold_first(fold(compare))
self.reduce(fold(compare))
}
/// Returns the element that gives the minimum value from the
@ -2707,7 +2707,7 @@ pub trait Iterator {
move |x, y| cmp::min_by(x, y, &mut compare)
}
self.fold_first(fold(compare))
self.reduce(fold(compare))
}
/// Reverses an iterator's direction.