Automatically generating arithmetic operations for a subclass
andrew at acooke.org
Tue Apr 14 16:32:30 CEST 2009
Arnaud Delobelle wrote:
> "andrew cooke" <andrew at acooke.org> writes:
>> Arnaud Delobelle wrote:
>>> class MyInt(int):
>>> for op in binops:
>>> exec binop_meth % (op, op)
>>> for op in unops:
>>> exec unop_meth % (op, op)
>>> del op
>> what's the "del" for?
> Without it, 'op' would end up as a class attribute.
ah! ok, that makes sense, i guess. thanks.
(i just tried it out and you're right, of course, but also if binops and
unops are empty you get an error, although i guess that's no an issue
More information about the Python-list