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Answers and rating deltas for

How can I get the first value of an IEnumerable iff the length is exactly one, or default otherwise?

Author Votes Δ
Michael Liu 9 +0.92
Enigmativity 8 +1.01
MaKCbIMKo 0 -1.20
Ruard van Elburg 0 -1.89
Last visited: Jun 24, 2017, 4:03:14 PM