Benjamin (Inglor) Gruenbaum wrote:
Hi, thanks for the comment and sorry for the unclarity.

I was refering to my original post in this thread about try/catch with generators: http://esdiscuss.org/topic/try-catch-conditional-exceptions-in-light-of-generators#content-0

Yes, but the Domenic pointed out that the reference error there has nothing to do with generators so much as async control flow in general (it could be in a function passed as a callback or downward funarg, and called "later" by any means). And you seemed to agreed.

It's true that yield allows part of a function to run in a later event loop turn -- or just in a later iteration of a loop in the same turn. Generators by themselves are not async in the event loop sense. So first you need to identify the problem precisely.

If you write

  function f() { ... setCallback(function g() {... RefErrHere ... }) ... }

you need test coverage over the body of g.

If you write

  function* f() { ... yield; RefErrHere ... }

same deal. There is no difference in kind.

So, is the problem you are citing a general one of test coverage over async control flow?

/be

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