Guido van Rossum wrote: > On 4/28/07, Samuele Pedroni <[EMAIL PROTECTED]> wrote: >> Shouldn't the various *View in abc.py be Iterables (inherit from >> Iterable) ? > > Oops, it looks like this is a mess. There are two classes > _MappingView. Ignore them for the sake of the PEP. I'll clean them up > later. We probably need fewer mapping classes, nor more... > It seems that something that defines __iter__ should also subclass Iterable, in this kind of situation where the special method is unique enough it seems quite repetitive to have to do both. It seems easy to forget to subclass.
Shouldn't now that there are isinstance hooks Iterable be defined again in terms of just checking for the presence of '__iter__' lookup-wise? I suppose there are some other similar cases, of course in other situations the ABC carry an intention that goes beyond the presence of methods. _______________________________________________ Python-3000 mailing list [email protected] http://mail.python.org/mailman/listinfo/python-3000 Unsubscribe: http://mail.python.org/mailman/options/python-3000/archive%40mail-archive.com
