> Shouldn't 'in' be a slot of the sequence methods ? I'd suggest
> creating a new tp_flag bit and then extending tp_as_sequence
> with:
>
> binaryfunc sq_contains;
>
> plus of course add an abstract function to abstract.c:
>
> PySequence_Contain(PyObject *container, PyObject *element)
That function already exists, spelled "PySequence_Contains" (currently
it does the C equivalent of
for i in container:
if element == i: return 1
return 0
I'm not entirely sure whether the 'contains' slot should be part of
the as_sequence struct, but I suppose it makes sense historically.
(The as_number, as_sequece, as_mapping structs don't make sense at all
in the grand scheme of things, but we're stuck with them for the time
being.)
--Guido van Rossum (home page: http://www.python.org/~guido/)
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