Mirror
/
cpython
mirror of https://github.com/python/cpython
4
1
Fork 0
Code Issues Releases Wiki Activity

[Bug #827209] Add footnote from Alex M. about listcomps leaking their index variables

This commit is contained in:
Andrew M. Kuchling 2004-08-07 19:16:32 +00:00
parent 8484fbf0f6
commit cbd81556bb
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Doc/ref/ref5.tex
View File

@ -184,7 +184,11 @@ case, the elements of the new list are those that would be produced
by considering each of the \keyword{for} or \keyword{if} clauses a block, by considering each of the \keyword{for} or \keyword{if} clauses a block,
nesting from nesting from
left to right, and evaluating the expression to produce a list element left to right, and evaluating the expression to produce a list element
each time the innermost block is reached. each time the innermost block is reached\footnote{In Python 2.3, a
list comprehension "leaks" the control variables of each
\samp{for} it contains into the containing scope. However, this
behavior is deprecated, and relying on it will not work once this
bug is fixed in a future release}.
\obindex{list} \obindex{list}
\indexii{empty}{list} \indexii{empty}{list}