On Mon, Jul 15, 2013 at 7:18 PM, MRAB <pyt...@mrabarnett.plus.com> wrote: > On the other hand, I think that it's not unreasonable that the output > is the same type as the input. You could reason that what it's doing is > returning a slice of the input, and that slice should be the same type > as its source.
By now I'm pretty sure that is why it changed. But I am challenging how useful that is, compared to always returning something immutable. > Incidentally, the regex module does what Python 3's re module currently > does, even in Python 2. Nobody's complained! Well, you'd only see complaints from folks who (a) use the regex module, (b) use it with a buffer object as the target string, and (c) try to use the group() return value as a dict key. Each of these is probably a small majority of all users. -- --Guido van Rossum (python.org/~guido) _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
