Christian Barcenas added the comment: I'm aware of duck typing but I don't think this is the right place for it. (Although ABCs are ostensibly a kind of duck typing, as they do not require implementing classes to inherit from the ABC.)
As Martin noticed, the glossary directly defines a "mapping" as a class that implements the Mapping ABC, and likewise the definition of an "iterable" under the glossary would satisfy the Iterable ABC. I think this is not just a documentation issue: the "quack" of a mapping has been well-defined and consistent since Python 2.7. Same for iterables. (It is worth noting that 2.6's definition of mapping was indeed just any object with a __getitem__ method <https://docs.python.org/2.7/glossary.html#term-mapping>) > I think the documentation for the dict() constructor should say how to ensure > the iterable and mapping modes are triggered. Doesn't it do this already by referencing the definitions of "iterable" and "mapping"? These ABCs are used in other built-ins such as any() and eval(). ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue24659> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
