From: nobu.nokada@...
Date: 2003-06-01T16:18:31+09:00
Subject: Re: [RCR] attr_reader :foo?

Hi,

At Sun, 1 Jun 2003 15:57:23 +0900,
Brian Candler wrote:
> instance_variables works for me: I get
> ["@foo?", "@foo"]

attr_(reader|writer|accessor) don't create instance variable
itself.  When the attribute is assinged, the variable will be
created.

> I guess the ? is being treated as part of the ? : operator rather than the
> variable name:
> 
>      @foo?.1:.2   # return .1 if @foo is true or .2 if @foo is false

That's right.  '!' and '?' are allowed at the end of method
names, but not as a part of variable names.

-- 
Nobu Nakada