From: Alexander Schofield <pcs3@...>
Date: 2001-12-11T16:17:23+09:00
Subject: [ruby-talk:28181] Re: The benefits of dynamic typing?

Harry Ohlsen wrote:
> 
> In article <20011211.105127.461152493.1860@zip.com.au>, "Harry Ohlsen"
> <harryo@zip.com.au> wrote:

> Actually, this makes me wonder ... is there a method somewhere that lets me find out whether a given object's class is a descendent of a given class?  If not, one could definitely write such a thing, by running up the superclass hierarchy.

Do you mean Object#kind_of?

irb(main):017:0> 2.kind_of? Numeric
true
irb(main):018:0> 2.kind_of? Integer
true
irb(main):019:0> 2.kind_of? Fixnum
true

HTH,
Alexander Schofield