Raymond Hettinger <rhettin...@users.sourceforge.net> added the comment:
> Even if the glossary pointed to collections.html, > there are far more methods specified there than > are needed to be **able. That is an implementation detail and is subject to change. If someone supplies an argument satisfying collections.Mapping, that should be sufficient across all implementations. > dict.update's doc string is explicit about what > it requires from the argument: Duck-typing is still allowed when explicit requirements have been exposed (we do this a lot with .readline() for example). For the most part though, we want to specify "needs a Mapping" in the sense of collections.Mapping. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue10357> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
