From: Todd Benson <caduceass@...>
Date: 2008-03-11T15:17:31+09:00
Subject: Re: is this a feature or a bug?

On Tue, Mar 11, 2008 at 12:59 AM, Rie! <ariekusumaatmaja2@gmail.com> wrote:
> sorry if it's been discussed as i don't know what the search keyword
>  for this scenario. it actually came up from _mistype_ (notice the
>  comma).
>
>  m:~ arie$ irb
>  >> h = {}
>  => {}
>  >> h[:a] = 1,
>  ?> h[:b] = 2
>  => [1, 2]
>  >> h
>  => {:a=>[1, 2], :b=>2}

Feature, I think.  Otherwise, you wouldn't be able to do things like...

a, b = b, a

The comma, it seems, assumes precedence from the right side.

Todd