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code order tweak #39898

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Merged
merged 1 commit into from
Feb 18, 2017
Merged

code order tweak #39898

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6 changes: 3 additions & 3 deletions src/libcore/iter/iterator.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1603,12 +1603,12 @@ pub trait Iterator {
let mut i = self.len();

while let Some(v) = self.next_back() {
if predicate(v) {
return Some(i - 1);
}
// No need for an overflow check here, because `ExactSizeIterator`
// implies that the number of elements fits into a `usize`.
i -= 1;
if predicate(v) {
return Some(i);
}
}
None
}
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