Is there a way to change the closure of a python function?
ast
nomail at com.invalid
Wed Sep 28 03:08:41 EDT 2016
"jmp" <jeanmichel at sequans.com> a écrit dans le message de
news:mailman.31.1474987306.2302.python-list at python.org...
> On 09/27/2016 04:01 PM, Peng Yu wrote:
>
> Note: function are objects, and can have attributes, however I rarely see usage of these, there
> could be good reasons for that.
>
It could be use to implement a cache for example.
def fact1(n):
if not hasattr(fact1, '_cache'):
fact1._cache = {0:1}
if n not in fact1._cache:
fact1._cache[n] = n * fact1(n-1)
return fact1._cache[n]
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