On Thu, Apr 4, 2013 at 8:01 AM, Chris Angelico <ros...@gmail.com> wrote:
> On Fri, Apr 5, 2013 at 1:59 AM, Guido van Rossum <gu...@python.org> wrote: > > On Thu, Apr 4, 2013 at 7:47 AM, Chris Angelico <ros...@gmail.com> wrote: > >> Is there any argument that I can pass to Foo() to get back a Bar()? > >> Would anyone expect there to be one? Sure, I could override __new__ to > >> do stupid things, but in terms of logical expectations, I'd expect > >> that Foo(x) will return a Foo object, not a Bar object. Why should int > >> be any different? What have I missed here? > > > > > > A class can define a __new__ method that returns a different object. E.g. > > (python 3): > > > > Right, I'm aware it's possible. But who would expect it of a class? > If it's documented you could expect it. -- --Guido van Rossum (python.org/~guido)
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