> > OK. I see the use case for `throw()` (e.g. to convert a promise rejection > into an exception when using generators for async). The only use case for > `return()` is closing an iterator, then(?) >
Or for closing a data sink, if you're using a generator that way. In particular, "return" is called on an iterable in the event of an early exit from a for-of loop, in order to allow the iterable to release resources or perform other cleanup.
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