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gh-125832: Clarify comment for inlined comprehensions as per PEP-709 (#126322) 

* Fix comprehensions comment to inlined by pep 709

* Update spacing

Co-authored-by: RUANG (James Roy) <longjinyii@outlook.com>

* Add reference to PEP 709

---------

Co-authored-by: Carol Willing <carolcode@willingconsulting.com>
Co-authored-by: RUANG (James Roy) <longjinyii@outlook.com>
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rimchoi 2024-11-03 02:04:53 +09:00 committed by GitHub
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Python/codegen.c
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@ -4087,9 +4087,12 @@ codegen_call_helper(compiler *c, location loc,
return codegen_call_helper_impl(c, loc, n, args, NULL, keywords);
}
/* List and set comprehensions and generator expressions work by creating a
nested function to perform the actual iteration. This means that the
iteration variables don't leak into the current scope.
/* List and set comprehensions work by being inlined at the location where
they are defined. The isolation of iteration variables is provided by
pushing/popping clashing locals on the stack. Generator expressions work
by creating a nested function to perform the actual iteration.
This means that the iteration variables don't leak into the current scope.
See https://peps.python.org/pep-0709/ for additional information.
The defined function is called immediately following its definition, with the
result of that call being the result of the expression.
The LC/SC version returns the populated container, while the GE version is