From: Austin Ziegler <austin@...>
Date: 2002-11-26T13:24:48+09:00
Subject: Re: Things That Newcomers to Ruby Should Know (11/24/02)

On Tue, 26 Nov 2002 12:14:58 +0900, Daniel Carrera wrote:
>> It's applicable to a small subset of the total set of classes.
>> Really, x++ is the same as x.succ!, and x.succ! won't work
>> because there's no assignment and you can't change self.
> I don't follow that. Why is it that I can do string.chomp! but it
> is not conceivable to do x.succ!? Aren't you changing self with
> string.chomp!?

Nope.

x.succ! says "x should be changed to be the succeeding object".
x.chomp! says "x should have newlines removed from itself."

x.succ! results in a new object; x.chomp! does not.

-austin
-- Austin Ziegler, austin@halostatue.ca on 2002.11.25 at 23.22.04