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Answers and rating deltas for

Exactly what rules must a function abide before we can call it "idempotent"?

Author Votes Δ
David Schwartz 7 +2.26
Steve McLeod 5 +0.75
Steve Jessop 3 -2.38
splttingatms 1 0.00
Last visited: Sep 14, 2014, 5:07:29 AM