Created
February 19, 2018 12:57
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| import UIKit | |
| let printerOperation = BlockOperation() | |
| printerOperation.addExecutionBlock { print("I") } | |
| printerOperation.addExecutionBlock { print("am") } | |
| printerOperation.addExecutionBlock { print("printing") } | |
| printerOperation.addExecutionBlock { print("block") } | |
| printerOperation.addExecutionBlock { print("operation") } | |
| printerOperation.completionBlock = { | |
| print("I'm done printing") | |
| } | |
| let operationQueue = OperationQueue() | |
| operationQueue.addOperation(printerOperation) |
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