From: David Alan Black <dblack@...>
Date: 2002-03-31T09:07:55+09:00
Subject: Re: re-assign variable to another object without causing error message.

Hello --

On Sun, 31 Mar 2002, Hubert Hung-Hsien Chang wrote:

> I have a loop that will updated a variable whenever there is
> a change. But I have found that I am given an error. It runs and the
> result is correct but it would like to get rid of the error. After simplifying
> the code, the fundamental problem is the following code:
>
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> m.rb:26: warning: already initialized constant P

[...]

> P = R
> P = P * 2
>
> What is the 'correct' way of doing it? Thanks.

Use a variable instead of a constant :-)  I don't think (?) there's
any way not to get warned if you change a constant.


David

-- 
David Alan Black
home: dblack@candle.superlink.net
work: blackdav@shu.edu
Web:  http://pirate.shu.edu/~blackdav