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Apr 15, 2017
Merged

code format #39881

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10 changes: 5 additions & 5 deletions src/libcore/iter/iterator.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2164,16 +2164,16 @@ pub trait Iterator {
}
}

/// Select an element from an iterator based on the given projection
/// Select an element from an iterator based on the given "projection"
/// and "comparison" function.
///
/// This is an idiosyncratic helper to try to factor out the
/// commonalities of {max,min}{,_by}. In particular, this avoids
/// having to implement optimizations several times.
#[inline]
fn select_fold1<I,B, FProj, FCmp>(mut it: I,
mut f_proj: FProj,
mut f_cmp: FCmp) -> Option<(B, I::Item)>
fn select_fold1<I, B, FProj, FCmp>(mut it: I,
mut f_proj: FProj,
mut f_cmp: FCmp) -> Option<(B, I::Item)>
where I: Iterator,
FProj: FnMut(&I::Item) -> B,
FCmp: FnMut(&B, &I::Item, &B, &I::Item) -> bool
Expand All @@ -2186,7 +2186,7 @@ fn select_fold1<I,B, FProj, FCmp>(mut it: I,

for x in it {
let x_p = f_proj(&x);
if f_cmp(&sel_p, &sel, &x_p, &x) {
if f_cmp(&sel_p, &sel, &x_p, &x) {
sel = x;
sel_p = x_p;
}
Expand Down