Instance Method


Adds the specified block to the receiver’s list of blocks to perform.


func addExecutionBlock(_ block: @escaping () -> Void)



The block to add to the receiver’s list. The block should take no parameters and have no return value.


The specified block should not make any assumptions about its execution environment.

Calling this method while the receiver is executing or has already finished causes an NSInvalidArgumentException exception to be thrown.

See Also

Managing the Blocks in the Operation

init(block: () -> Void)

Creates and returns an NSBlockOperation object and adds the specified block to it.

var executionBlocks: [() -> Void]

The blocks associated with the receiver.