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dimohamdy/Operation.swift

Created January 6, 2019 13:28
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add aDependency between operations
Raw
Operation.swift
let queue = OperationQueue()
queue.maxConcurrentOperationCount = 1
op3.addDependency(op2)
op2.addDependency(op1)
queue.addOperations([op1,op2,op3], waitUntilFinished: true)
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