From: Robert Dober <robert.dober@...>
Date: 2008-02-14T02:58:17+09:00
Subject: Re: [RRR] Robert's Ruby Riddle: Local or Method

On Feb 13, 2008 6:13 PM, Morton Goldberg <m_goldberg@ameritech.net> wrote:
> On Feb 13, 2008, at 10:38 AM, Robert Dober wrote:
>
> > Can the following code be used to test if the argument of puts is the
> > local variable "a" or the method "a"? And if so please explain how.
> >
> > <code>
> > a = 42
> > def a; 42 end
> > puts a
> > </code>
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> I can't see how it can as it is written above, but with a little
> modification ...
>
> <code>
> a = 42
> def a; 43 end
> puts a
> puts a()
> </code>
>
> This makes it clear that Ruby prefers the local variable when it's
> defined. It also makes it clear that one doesn't have to write self.a
> to get the method called.
>
> <code>
> # a = 42
> def a; 43 end
> puts a
> puts a()
> </code>
>
> And this makes it clear that Ruby will call the method when the local
> is not defined.
>
> Regards, Morton
>
>

No Morton, there is a perfect solution with the code snippet I
posted... it is simple, I will tell you later
R.

-- 
http://ruby-smalltalk.blogspot.com/

---
Whereof one cannot speak, thereof one must be silent.
Ludwig Wittgenstein