anomaly

zipher dreamingforward at gmail.com
Sun May 10 20:48:30 EDT 2015


On Sunday, May 10, 2015 at 11:44:36 AM UTC-5, Ian wrote:
> On Sun, May 10, 2015 at 10:34 AM, Mark Rosenblitt-Janssen
> <dreamingforward at gmail.com> wrote:
> > Here's something that might be wrong in Python (tried on v2.7):
> >
> >>>> class int(str): pass
> 
> This defines a new class named "int" that is a subclass of str. It has
> no relation to the builtin class int.
> 
> >>>> int(3)
> > '3'
> 
> This creates an instance of the above "int" class, which is basically
> equivalent to calling "str(3)".
> 
> Were you expecting a different result?

Sorry, yes.  If you're going to define a concept called "keywords", I don't think you should allow them to be shadowed by a class definition.

Mark



More information about the Python-list mailing list