Created
September 19, 2015 18:33
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Use NSHashTable with for .. in .. style enumeration with Swift2 (safely)
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| extension NSHashTable: SequenceType { | |
| public func generate() -> AnyGenerator<AnyObject> { | |
| var array = self.allObjects | |
| var nextIndex = array.count-1 | |
| return anyGenerator { | |
| if (nextIndex < 0) { | |
| return nil | |
| } | |
| return array[nextIndex--] | |
| } | |
| } | |
| } |
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