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Does the event send an interrupt to a function?

Let's say the function foo () is executed. Suppose an external event occurs for which you have a handler. Will the foo () function be interrupted so that the event handler can be executed? What is the order of execution in this situation?

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No, foo()it will not be interrupted.

Flex is single-threaded, so it foo()will continue to work. After foo () finishes and control returns to the event loop, the first event in the event queue will be processed.

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It really can be tricky.

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