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mikru1688/TestGCD_2.swift

Last active January 22, 2017 14:11
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TestGCD_2.swift
// 建立Concurrent Queues，並建立同步和非同步的block
let concurrentQueue: DispatchQueue = DispatchQueue(label: "concurrentQueue", attributes: .concurrent)
serialQueue.async {
// 非同步化
}
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