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December 10, 2015 14:41
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| func free<A,B>(f: A -> () -> B) -> A -> B { | |
| return { f($0)() } | |
| } | |
| [[1, 2, 3], [4, 5, 6]].map(free(Array.reverse)) // [[3, 2, 1], [6, 5, 4]] |
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