Created
April 17, 2016 16:47
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Sample flatMap function as extension in Array
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| extension Array { | |
| func sg_flatMap<U>(transform: (Generator.Element) -> [U]) -> [U] { | |
| var result = [U]() | |
| for item in self { | |
| result.appendContentsOf(transform(item)) | |
| } | |
| return result | |
| } | |
| } |
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