From: Nobuyoshi Nakada <nobu@...>
Date: 2007-09-06T17:06:18+09:00
Subject: Re: Symbols and frozen strings

Hi,

At Thu, 6 Sep 2007 16:50:28 +0900,
Brian Candler wrote in [ruby-talk:267857]:
> So I thought, wouldn't it be nice to have a half-way house: being able to
> converting a symbol to a string, in such a way that you always got the same
> (frozen) string object?

Rather, Symbol#to_s should return frozen String?

> I suppose that an instance variable lookup isn't necessarily faster than
> always creating a temporary string with to_s and then garbage collecting it
> at some point later in time, but it feels like it ought to be :-)
> 
> However, since I've seen discussion about string modifiers like "..."u,
> perhaps there's scope for adding in-language support, e.g.
> 
>     "..."f     - frozen string, same object ID each time it's executed

What about "..."o like Regexp?

-- 
Nobu Nakada