From: Evan Phoenix <evan@...>
Date: 2011-01-22T03:21:25+09:00
Subject: [ruby-core:34763] Re: Is evaluation order of arguments specified?


On Jan 21, 2011, at 10:16 AM, Nikolai Weibull wrote:

> On Fri, Jan 21, 2011 at 18:52, Evan Phoenix <evan@fallingsnow.net> wrote:
>> The evaluation order is left to right. If there is not a rubyspec for it, that should be fixed.
> 
> I have to admit that I only made a cursory glance over the RubySpec,
> looking where I figured it would be, but found nothing.
> 
>> There is lots of code that depends on this ordering (Rubinius for a time used a right to left ordering which broke things).
> 
> My tests confirmed this order on MRI, but I wasn�t sure if anyone had
> actually specified it as required.

It's required in so far as matz has stated it's left to right on ruby-core before and ruby code depends on it. :)

> 
> Thank you for your answer!
> 
>