From: Nikolai Weibull <now@...>
Date: 2009-12-02T03:09:01+09:00
Subject: [ruby-core:26979] Re: Caching #to_s for immutables (and a 	possible future for constant-folding) [with patch v2]

On Tue, Dec 1, 2009 at 18:19, Yusuke ENDOH <mame@tsg.ne.jp> wrote:

> How about if #to_s returns, instead of a frozen String itself, a mutable
> String that is duplicated from the cached frozen String?

Couldn���t one delay duplication until mutation?