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jashkenas avatar jashkenas commented on July 23, 2024

Hmm, that's a fair question -- we're actually taking special care in this case to ensure that variables within the comprehension are declared first outside of it. If you write a comprehension, but don't use it as part of an expression, then no closure wrapper is generated ... a comprehension isn't a function, in CoffeeScript, and doesn't imply function scope. Whether it needs to be wrapped in one or not is determined by where it occurs. It would be awfully strange if sometimes you could set variables from within a comprehension, and sometimes you couldn't -- so, to alleviate that, the auto-closures share a scope with their parent node. Sound alright?

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jashkenas avatar jashkenas commented on July 23, 2024

No objections then ... closing the issue.

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