Operator commutativity
Henrik Faber
hfaber at invalid.net
Mon Sep 19 07:32:00 EDT 2011
On 19.09.2011 13:23, Paul Rudin wrote:
> Henrik Faber <hfaber at invalid.net> writes:
>
>> How can I make this commutative?
>
> Incidentally - this isn't really about commutativity at all - the
> question is how can you define both left and right versions of add,
> irrespective of whether they yield the same result.
Right. The operator+ in my case just happens to be commutative and I
wanted a language way to express this.
> I think __radd__ is what you're after.
It is, thank you very much - I knew there was some way to get this done
nicely. Perfect! :-)
Best regards,
Henrik
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