From: Tanaka Akira <akr@...17n.org>
Date: 2002-07-08T11:17:34+09:00
Subject: Re: is there a better string.each?

In article <1026090209.509664.24040.nullmailer@picachu.netlab.jp>,
  matz@ruby-lang.org (Yukihiro Matsumoto) writes:

>   * a string is not an array.

A immutable(frozen) string is the subtype of a immutable(frozen)
array, I think.

Although an inheritance is not suitable to represent the relation.
-- 
Tanaka Akira