Overloadable Assignment PEP
Anders J. Munch
andersjm at dancontrol.dk
Thu Apr 3 05:09:34 EST 2003
"Drew Moore" <drew at astro.pas.rochester.edu> wrote:
> Howdy!
>
> I submitted a pre-PEP on overloadable assignment.
>
> The idea is:
>
> In situations where the assignment token "=" appears, and an augmented
> assignment symbol (such as +=, -=, *=, etc..) would also be
> syntactically correct, the assigned-to object would be checked for an
> __assign__(self, other) method.
You terminology is off. There is no such thing as an "assigned-to"
object in Python. Assignments change bindings, not objects.
Take a step back and tell us what problem you are trying to solve.
Whatever it is, I'm sure we can think of a better solution than having
assignment depend on whatever object, if any, happened to be
previously bound to the same name.
python-is-not-c++-ly y'rs, Anders
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