[Python-Dev] a feature i'd like to see in python #2: indexing of match objects (original) (raw)

Ka-Ping Yee python-dev at zesty.ca
Tue Dec 5 06:14:40 CET 2006


On Sun, 3 Dec 2006, Fredrik Lundh wrote:

Martin v. Löwis wrote: > Well, the proposal was to interpret m[i] as m.group(i), for all values > of i. I can't see anything confusing with that.

it can quickly become rather confusing if you also interpret m[:] as m.groups(), not to mention if you add len() and arbitrary slicing to the mix. what about m[] and m[i,j,k], btw?

I'd say, don't pretend m is a sequence. Pretend it's a mapping. Then the conceptual issues go away.

-- ?!ng



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