Created
January 28, 2015 08:59
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IntegerLiteralConvertible answer to http://www.fewbutripe.com/swift/math/2015/01/27/solutions-to-natural-numbers.html
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| extension Nat: IntegerLiteralConvertible { | |
| init(integerLiteral value: IntegerLiteralType) { | |
| switch (value) { | |
| case 0: | |
| self = .Zero | |
| default: | |
| self = .Succ(Nat(integerLiteral: value - 1)) | |
| } | |
| } | |
| } |
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