From: "v.nainar" <vnainar@...>
Date: 2005-09-28T16:46:28+09:00
Subject: Re: class variables

On Wed, Sep 28, 2005 at 03:52:54PM +0900, Kevin Brown wrote:
> On Wednesday 28 September 2005 00:03, v.nainar wrote:
> > Hello!
> >
> >  What is wrong with the following code? Why is  @@id  incremented before
> > and not after the assignment? .  ( Sorry  if this sounds silly and I have
> > overlooked something obvious )
-------
> > # <Foo:0xb7d6b4f0 @id=2, @s="one">   # why is @id not 1
> > # <Foo:0xb7d6b4c8 @id=3, @s="two">   # and 2
> > # <Foo:0xb7d6b4a0 @id=4, @s="three"> # and 3 ?
> 
> When somethings at the end of a function, it gets returned implicitly.  So, 
> when you call @id - setId() you're setting @id to the current id (1), then 
> incrementing, and then then function returns the incremented value, 
> overwriting your 1 with a 2.  Throw a return @s at the end and you'll get the 
> behaviour you're looking for.
> 
> 
>
 Well it **was** silly of me .Thanks for the quick replies