From: nobu.nokada@...
Date: 2004-01-14T15:36:10+09:00
Subject: Re: Converting a string to an array of tokens

Hi,

At Wed, 14 Jan 2004 00:52:02 +0900,
Weirich, James wrote:
> Question 2:
> 
> Ben Tilly pointed out (a long time ago) that the "string =
> string.post_match" type of statement is enormously inefficient for large
> strings because amount of string copying involved.  In ruby-talk:89747 Nobu
> Nakada indicated that string tails _could_ be shared and use copy-on-write
> (COW).  In current Ruby, are the strings shared with COW semantics, or was
> Nobu just speculating on possible implementations?

It has been implemented.

-- 
Nobu Nakada