How do you exit a function in flutter?

Sometimes when you’re in the middle of a function, you want a quick way to exit. You can do it using the return keyword . Whenever JavaScript sees the return keyword, it immediately exits the function and any variable (or value) you pass after return will be returned back as a result.

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To properly break on exit, consider calling debugger from dart:developer or Isolate . pause from dart:isolate on Isolate. current to pause the isolate before invoking exit. The handling of exit codes is platform specific.

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