From: aaron smith <beingthexemplarylists@...>
Date: 2007-01-16T12:40:54+09:00
Subject: Re: Finding the super class of an object?

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yes, is_a? does report inheritance. consider this...

class C
end

class D < C
end

t = D.new

puts t.is_a?(C)

thanks.


On 1/15/07, dblack@wobblini.net <dblack@wobblini.net> wrote:
>
> Hi --
>
> On Tue, 16 Jan 2007, Aaron Smith wrote:
>
> > How can I find out what the super class is of an object, Say if a class
> > extends Hash. I need to be able to find a string representation of the
> > super class ('Hash').... is_a? won't work as that requires an actual
> > module or class..
>
> is_a? won't report an inheritance relationship in any case:
>
>    class D < C; end
>    D.is_a?(C)  # false (unless C is Object maybe....)
>
> > I need a string representation.
> >
> > any ideas? thanks..
>
> superclass.name will give it to you as a string.
>
>
> David
>
> --
> Q. What is THE Ruby book for Rails developers?
> A. RUBY FOR RAILS by David A. Black (http://www.manning.com/black)
>     (See what readers are saying!  http://www.rubypal.com/r4rrevs.pdf)
> Q. Where can I get Ruby/Rails on-site training, consulting, coaching?
> A. Ruby Power and Light, LLC (http://www.rubypal.com)
>
>

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