From: Rodrigo Rosenfeld Rosas <rr.rosas@...>
Date: 2012-04-10T01:04:23+09:00
Subject: [ruby-core:44227] Re: [ruby-trunk - Feature #6265] Remove 'useless' 'concatenation' syntax

Em 09-04-2012 12:53, Nobuyoshi Nakada escreveu:
> Hi,
>
> (12/04/09 22:46), rosenfeld (Rodrigo Rosenfeld Rosas) wrote:
>> Also, while on the subject, don't you think that Ruby specs should
>> state that ("some " + "string") would concatenate the strings in
>> compiling time and that they shouldn't expect the :+ method to be
>> called? That way we wouldn't have any perfomance degradation using
>> this style...
> It can't, because String#+ might be overridden.

I know, that is why I proposed this to be changed in a specification level.

For instance, what would be the issue with an overridden String#+ not 
being called in such cases?