Performance on local constants?

[John Machin]

On Dec 23, 5:38 am, "Terry Reedy" <tjre... at udel.edu> wrote:
> "Steven D'Aprano" <st... at REMOVE-THIS-cybersource.com.au> wrote in message
>
> news:13mq041tef27vad at corp.supernews.com...
> | >>> def spam2(x, s=re.compile('nobody expects the Spanish
> Inquisition!')):
> | ...     return s.search(x)
> |
> | I suspect that this will be not only the fastest solution, but also the
> | most flexible.
>
> 'Most flexible' in a different way is
>
> def searcher(rex):
>     crex = re.compile(rex)
>     def _(txt):
>         return crex.search(txt)
>     return _
>

I see your obfuscatory ante and raise you several dots and
underscores:

class Searcher(object):
    def __init__(self, rex):
        self.crex = re.compile(rex)
    def __call__(self, txt):
        return self.crex.search(txt)

Cheers,
John