From: matz@... (Yukihiro Matsumoto)
Date: 2002-04-27T08:54:28+09:00
Subject: Re: Numberic#prev

Hi,

In message "Re: Numberic#prev"
    on 02/04/26, Sean Chittenden <sean@chittenden.org> writes:

|*) String#prev is controversial with minimal gain (though a fun
| exercise in Ruby skilz)

Agreed,

|*) Integer#prev is well defined and an easy target

Yes.

|*) No one seems to think Integer#prev is a bad idea

It's not bad, but useless.  "succ" is useful with polymorphism as used
in Range, but no other non-numeric class defines "prev", there's no
benefit.  what's wrong with "n-1"?

							matz.