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BTreeSet::insert returns false when key already exists #30939

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Jan 16, 2016
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BTreeSet::insert returns false when key already exists #30939

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2 changes: 1 addition & 1 deletion src/libcollections/btree/set.rs
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Expand Up @@ -453,7 +453,7 @@ impl<T: Ord> BTreeSet<T> {
///
/// If the set did not have a value present, `true` is returned.
///
/// If the set did have this key present, that value is returned, and the
/// If the set did have this key present, `false` is returned, and the
/// entry is not updated. See the [module-level documentation] for more.
///
/// [module-level documentation]: index.html#insert-and-complex-keys
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