From: Donghee Na Date: Sun, 3 Nov 2024 04:00:52 +0000 (+0900) Subject: [3.12] gh-125832: Clarify comment for inlined comprehensions as per P… (gh-126345) X-Git-Tag: v3.12.8~119 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4afa129ed08780ef84fcee4dd1168a33034f2ea5;p=thirdparty%2FPython%2Fcpython.git [3.12] gh-125832: Clarify comment for inlined comprehensions as per P… (gh-126345) * [3.12] gh-125832: Clarify comment for inlined comprehensions as per PEP-709 (gh-126322) * Fix comprehensions comment to inlined by pep 709 * Update spacing Co-authored-by: RUANG (James Roy) * Add reference to PEP 709 --------- Co-authored-by: Carol Willing Co-authored-by: RUANG (James Roy) * Add space --------- Co-authored-by: rimchoi Co-authored-by: Carol Willing Co-authored-by: RUANG (James Roy) --- diff --git a/Python/compile.c b/Python/compile.c index 49b2ebf003ba..6050b7281fa0 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -5191,9 +5191,12 @@ ex_call: } -/* 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