In article <mailman.222.1365299932.3114.python-l...@python.org>, Ian Kelly <ian.g.ke...@gmail.com> wrote:
> On Sat, Apr 6, 2013 at 7:29 PM, Steven D'Aprano > <steve+comp.lang.pyt...@pearwood.info> wrote: > > For some definition of "easily". > > > > if implementation == "CPython": > > if version < "3.3": > > if sys.maxunicode exists: > > use it to decide whether this is a wide or narrow build > > if a wide build: return 4 > > else: return 2 > > else: > > ??? > > elif version == "3.3": > > scan the string, in some efficient or inefficient way > > return 1, 2, 4 depending on the largest character you find > > else: > > ??? > > else: > > ??? > > None of which goes away if a char width function is added to 3.4 and > you still want to support earlier versions as this does. It just adds > another "if". The same is true of any new feature. That doesn't mean we shouldn't add new features. -- http://mail.python.org/mailman/listinfo/python-list