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Update comment in Vec::dedup_by #37215

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Merged
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Oct 18, 2016
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Update comment in Vec::dedup_by #37215

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2 changes: 1 addition & 1 deletion src/libcollections/vec.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -822,7 +822,7 @@ impl<T> Vec<T> {
pub fn dedup_by<F>(&mut self, mut same_bucket: F) where F: FnMut(&mut T, &mut T) -> bool {
unsafe {
// Although we have a mutable reference to `self`, we cannot make
// *arbitrary* changes. The `PartialEq` comparisons could panic, so we
// *arbitrary* changes. The `same_bucket` calls could panic, so we
// must ensure that the vector is in a valid state at all time.
//
// The way that we handle this is by using swaps; we iterate
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