On Thu, Apr 26, 2012 at 1:50 PM, Adam Skutt <ask...@gmail.com> wrote: > On Apr 25, 8:01 pm, Steven D'Aprano <steve > +comp.lang.pyt...@pearwood.info> wrote: >> 2) The "is" operator always has the exact same semantics and cannot be >> overridden. The id() function can be monkey-patched. > > I can't see how that's useful at all. Identity is a fundamental > property of an object; hence retrieval of it must be a language > operation. > ... > The other solution is to do what Java and C# do: banish id() entirely > and only provide 'is' (== in Java, Object.ReferenceEquals() in C#).
The 'is' operator is a language feature. The id() function is not. ChrisA -- http://mail.python.org/mailman/listinfo/python-list
