From: "David A. Black" <dblack@...>
Date: 2005-10-28T22:49:15+09:00
Subject: Re: append_feathers

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Hi --

On Fri, 28 Oct 2005, Brian Schr=F6der wrote:

> On 27/10/05, David A. Black <dblack@wobblini.net> wrote:
>> Hi --
>>
>> I just accidentally typed "append_feathers" instead of
>> "append_features" in something I was writing.  I thought maybe this
>> would be of use to those of you who are fond of nomenclature drawn
>> from the mallard sphere :-)
>>
>>
>> David
>>
>> --
>> David A. Black
>> dblack@wobblini.net
>>
>>
>
> ---
> module Kernel

Probably better to put it in Module.

>  def append_feathers
>    class_eval do
>      def fly
> =09if %w(Penguin Dodo).include?self.class.to_s

Or:

   if [Penguin, Dodo].include?(self.class)

though testing for class ancestry is kind of unducklike, isn't it? :-)

> =09  raise "I can't fly"
> =09else
> =09  puts "flap flap flap"
> =09end
>      end
>    end
>  end
> end
>
> class Duck
>  append_feathers
> end
>
> class Dodo
>  append_feathers
> end
>
> Duck.new.fly
> Dodo.new.fly
> ---
>
> I hope I got the scopes right.

And now let's see whether upgrading pine will cause my reply to you
not to be all weird like they were in the past.... :-)


David

--=20
David A. Black
dblack@wobblini.net
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