From: Intransition <transfire@...>
Date: 2011-06-26T04:15:57+09:00
Subject: Re: Symbol#===



On Jun 25, 1:00 pm, Robert Dober <robert.do...@gmail.com> wrote:
> On Sat, Jun 25, 2011 at 7:57 AM, Intransition <transf...@gmail.com> wrote:
> > As:
>
> >    class Symbol
> >      def ===(object)
> >        object.respond_to?(self)
> >      end
> >    end
>
> > Then:
>
> >    case foo
> >    when :some_method
> >      foo.some_method
> >    end
>
> > Insanity?
>
> No, but too invasive...
>
> case my_token
> when :integer
> when :identifier
> when....
>
> thanx for breaking that ;)

lol. let me "fix" it for you

    class Symbol
      def ===(object)
        return super(object) if Symbol === object
        object.respond_to?(self)
      end
    end

Of course, now no repsond_to? case checking for Symbols!

> Furthermore I already feel that Symbol has one of the worst kludges
> ever conceived cast onto itself, which is #to_proc. On the same
> account I feel #=== should not be concerned with receiver's methods.

#to_proc that bad?