+= append class operator

[schwehr@gmail.com]

Hi All,

This is probably a FAQ, but is there an operator mapping for += for
classes? Or does a += b get converted to a = a + b? I would like to
make this operator faster for the BitVector class, but I don't see +=
in http://docs.python.org/lib/operator-map.html

I could always create an append method, but += is nice and concise.

Thanks,
-kurt

[Fredrik Lundh]

Re: += append class operator

schwehr@gmail.c om wrote:
[color=blue]
> This is probably a FAQ, but is there an operator mapping for += for
> classes?[/color]

obj.__iadd__(ot her)
[color=blue]
> Or does a += b get converted to a = a + b?[/color]

only if __iadd__ is not defined.
[color=blue]
> I would like to make this operator faster for the BitVector class, but
> I don't see += in http://docs.python.org/lib/operator-map.html[/color]

that's documentation for the operator module.

special method names are described in the language reference:

http://docs.python.org/ref/specialnames.html

http://docs.python.org/ref/numeric-types.html

</F>

[schwehr@gmail.com]

Re: += append class operator

Awesome. Thanks!

-kurt