[Python-Dev] listcomps vs. for loops
Greg Ewing
greg at cosc.canterbury.ac.nz
Wed Oct 22 19:35:52 EDT 2003
Guido:
> The variable of a for *statement* must be accessible after the loop
> because you might want to break out of the loop with a specific
> value. This is a common pattern that I have no intent of breaking.
It wouldn't be a great hardship if the loop variable
weren't accessible after the break, because you can
always write
for x in stuff:
if meets_condition(x):
result = x
break
do_something_with(result)
which is arguably a clearer way to write it, anyway.
Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury, | A citizen of NewZealandCorp, a |
Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. |
greg at cosc.canterbury.ac.nz +--------------------------------------+
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