From: "Peña, Botp" <botp@...>
Date: 2002-12-09T12:05:14+09:00
Subject: Re: [YANQ] -yet another (ruby) newbie question -string#concat

Hello sir Hal (aka Hal E. Fulton [mailto:hal9000@hypermetrics.com]):

You replied last Monday, December 09, 2002 10:31 AM:

> I think that the operation "concatenation" can be
> viewed in two ways.
> 
> The first (as I would tend to view it) is a simple
> operation that takes two operands and gives a result
> (same as +).
> 
> The other is an operation *on* a certain object (like
> append). This is how String#concat works; it is an
> append operation.
> 
> Note that this is almost as much as question of English
> usage (IMO) as of computer science.
> 
> If strings were immutable, there would be no question
> of what is meant here; but they are mutable.
> 
> As for avoiding the "!" methods... I wouldn't suggest
> that. Do what works for you, but I would suggest just
> learning the two ways of thinking and using each when 
> appropriate. I.e., "Should I modify the original object or 
> make a new one?"

Thanks, sir Hal. When I'm as good as you, I'll think I'll do that, but in
the meantime, I'll used the "+" method and combine it w assignment/reference
"=" op to achieve modification if necessary.
 
> Just my thoughts.
> 
> Hal

Enlightening indeed.
Many thanks, sir Hal.

Kind regards,
-botp