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Avoid wrapping in SortedDictionary enumeration as enumerable #117357

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Merged
stephentoub merged 1 commit into from
Jul 7, 2025
Merged

Avoid wrapping in SortedDictionary enumeration as enumerable #117357

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8 changes: 3 additions & 5 deletions src/libraries/System.Collections/src/System/Collections/Generic/SortedDictionary.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -245,7 +245,7 @@ public void CopyTo(KeyValuePair<TKey, TValue>[] array, int index)

IEnumerator<KeyValuePair<TKey, TValue>> IEnumerable<KeyValuePair<TKey, TValue>>.GetEnumerator() =>
Count == 0 ? EnumerableHelpers.GetEmptyEnumerator<KeyValuePair<TKey, TValue>>() :
GetEnumerator();
_set.GetEnumerator();

public bool Remove(TKey key)
{
Expand Down Expand Up @@ -465,10 +465,8 @@ void IEnumerator.Reset()
{
return new DictionaryEntry(Current.Key, Current.Value);
}
else
{
return new KeyValuePair<TKey, TValue>(Current.Key, Current.Value);
}

return Current;
}
}

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