change return type of keySelector from TElement to TKey, since keySelector returns keys, not elements
Closes: #364
Description:
change return type of keySelector to TKey. This might be a breaking change for existing code in rare cases. But then the programmer would very likely have worked around the bug this PR fixes. Feedback welcome.
change return type of keySelector from TElement to TKey, since keySelector returns keys, not elements
Closes: #364
Description: change return type of keySelector to TKey. This might be a breaking change for existing code in rare cases. But then the programmer would very likely have worked around the bug this PR fixes. Feedback welcome.
Related issue (if exists):
364