Created
September 30, 2014 23:02
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valueForKey for simple value or nil operation
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| extension Dictionary { | |
| func valueForKey<T>(key: Key) -> T? { | |
| if let value = self[key] as? T { | |
| return value | |
| } else { | |
| return nil | |
| } | |
| } | |
| } |
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