Created
November 14, 2015 08:29
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Associated Typeでパターンマッチ #CodePiece
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| enum Option { | |
| case Regular(MoreOption) | |
| case Irregular(MoreOption) | |
| } | |
| enum MoreOption { | |
| case One, Two, Three | |
| } | |
| let os1 = Option.Regular(.One) | |
| let os2 = Option.Regular(.Two) | |
| let os3 = Option.Regular(.Three) | |
| let oi1 = Option.Irregular(.One) | |
| let oi2 = Option.Irregular(.Two) | |
| let oi3 = Option.Irregular(.Three) | |
| switch os1 { | |
| case Option.Regular(.One): print("Option.Regular.One") | |
| case Option.Regular(_): print("Option.Regular ") | |
| case Option.Irregular(_): print("Option.Irregular") | |
| } |
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