From: "Hal E. Fulton" <hal9000@...>
Date: 2003-02-19T06:08:12+09:00
Subject: Re: How to test for existence of instance variable?

----- Original Message ----- 
From: "Paul Brannan" <pbrannan@atdesk.com>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Tuesday, February 18, 2003 2:19 PM
Subject: Re: How to test for existence of instance variable?


> On Wed, Feb 19, 2003 at 02:08:07AM +0900, Yukihiro Matsumoto wrote:
> > In message "Re: How to test for existence of instance variable?"
> >     on 03/02/19, Paul Brannan <pbrannan@atdesk.com> writes:
> > |Why should this be fixed?  The warning looks reasonable to me.
> > 
> > Because it's non intuitive.  There's no logical relationship between
> > an attribute reader "foo" and an instance variable "@foo" to the
> > users.
> 
> Creating an attribute reader and not initializing the attribute (either
> with @foo= or with self.foo=) is a bug.  The user should never see this
> warning except for buggy code.

What Paul says makes sense to me.

Hal