Created
December 26, 2015 00:39
-
-
Save motokiee/dcc94a88519f1c80233d to your computer and use it in GitHub Desktop.
なるほどな〜 #CodePiece
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| public mutating func next() -> Element? { | |
| guard let b = base.next() else { return nil } | |
| defer { count += 1 } | |
| return (index: count, element: b) | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment