Created
May 2, 2017 06:36
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| extension Dictionary { | |
| subscript(key: Key, `default` value: Value) -> Value { | |
| mutating get { | |
| return self[key] ?? { | |
| self[key] = value | |
| return value | |
| }() | |
| } | |
| set { self[key] = newValue } | |
| } | |
| } |
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