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| func dispatch_sync<R> (queue: dispatch_queue_t, block: Void -> R ) -> R { | |
| var result: R! | |
| dispatch_sync(queue) { | |
| result = block() | |
| } | |
| return result | |
| } | |
| func result() -> String { | |
| return | |
| dispatch_sync(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)) { | |
| return "something" | |
| } | |
| } |
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