From: MohsinHijazee <mohsinhijazee@...>
Date: 2008-02-19T19:49:56+09:00
Subject: Re: super.index gives error

On Feb 19, 3:38 pm, Arlen Cuss <cel...@sairyx.org> wrote:
> [Note:  parts of this message were removed to make it a legal post.]
>
> Hi:
>
> On Feb 19, 2008 9:34 PM, MohsinHijazee <mohsinhija...@gmail.com> wrote:
>
>
>
> > Hello!
> >   I'm having a strange problem.
>
> > class Super
>
> >   def index
> >      puts "some code"
> >   end
> > end
>
> > class Base < Super
>
> >   def index
> >      super.index()    # Says you super is nil! nil.index and an
> > error. What might be wrong?
> >   end
> > end
>
> irb(main):001:0> class Super
> irb(main):002:1>   def index
> irb(main):003:2>     puts "some code"
> irb(main):004:2>   end
> irb(main):005:1> end
> => nil
> irb(main):006:0> class Sub < Super
> irb(main):007:1>   def index
> irb(main):008:2>     super
> irb(main):009:2>   end
> irb(main):010:1> end
> => nil
> irb(main):011:0> Sub.new.index
> some code
> => nil
> irb(main):012:0>
>
> Technically, Super is also the `base' class, so I named it Sub. Just use
> `super' -- super calls the method of the same name in the superclass.
>
> HTH
> Arlen

Thank you very much! The problem is solved