From: matz@... (Yukihiro Matsumoto)
Date: 2002-04-24T16:00:31+09:00
Subject: Re: Numberic#prev

Hi,

In message "Re: Numberic#prev"
    on 02/04/24, Sean Chittenden <sean@chittenden.org> writes:

|> I'm not sure how much useful it is.  And I'm (little bit) afraid of
|> it might cause request for String#prev, which is way difficult to
|> define.
|
|It's only as useful as Integer#succ, which, proves to be useful when
|dealing with simple stacks and counters used outside of the range
|class.

Hmm, ascending order vs descending order...

|I agree with the preceding post:
|
|aString.succ.prev  = aString.prev.succ = aString

Unfortunately String#succ is not reversible operation since it's not
one-to-one relation.

							matz.