Created
February 6, 2016 05:13
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letで再帰 #CodePiece #cswift
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| let sum: ([Int]) -> Int | |
| sum = { values in | |
| if values.isEmpty { | |
| return 0 | |
| } | |
| else { | |
| return values.first! + sum(Array(values.dropFirst())) | |
| } | |
| } |
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