En Tue, 13 May 2008 00:21:06 -0300, Yves Dorfsman <[EMAIL PROTECTED]>
escribió:
Ben Finney wrote:
y, _, d, _, _, _, _, _, _ = time.localtime()
But you still have have a variable that's using memory for nothing.
No, you have one extra unused name binding. The values that you don't
want to use have *already* been allocated by the time the above
statement is executed. Name binding doesn't copy the values, it merely
binds a name to them. There's no "variable" in the above statement.
But if this happens in the main part of your script, it could take a
long time before this binding disapear, therefore, the gc won't be able
to clean that one up. In this particular case, it doesn't really matter
(small size), but imagine in a case where we are talking of a list of
list, with potentially large element in the list.
If you have some reasons to believe it's worth to release that last
reference as soon as possible, just do it. `del _` is all you need.
(I may have used `del` to remove a local name no more than once a year...)
--
Gabriel Genellina
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