From: Sam Roberts <sroberts@...>
Date: 2003-02-11T13:35:46+09:00
Subject: Re: Operator reordering, good idea? (was Re: ruby-dev summary 19457-19539)

Quoteing akr@m17n.org, on Mon, Feb 10, 2003 at 11:41:54AM +0900:
> In article <20030209190906.GA14768@debian>,
>   Sam Roberts <sroberts@uniserve.com> writes:
> 
> > Will this change apply to String.+, or just String.==?
> 
> Just String#==, Array#== and Hash#==.
> 
> I'm sure that matz don't apply the change to + because + is not
> commutative in general.

I don't understand, doesn't

(a + b) == (b + a)

in general?

Actually, I think in general neither should be commutative, they aren't
math, they are method calls.

Cheers,
Sam