Created
April 27, 2016 14:27
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Function as Functor in Swift
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| func map<A,B,C>(f1: (B) -> C, f2: (A) -> B) -> (A) -> C { | |
| return { f1(f2($0)) } | |
| } | |
| func addOne(i: Int) -> Int { | |
| return i + 1 | |
| } | |
| func convertToString(i: Int) -> String { | |
| return String(i) | |
| } | |
| let f = map(convertToString, f2: addOne) | |
| f(1) |
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