From: "Mauricio Fernández" <batsman.geo@...>
Date: 2003-01-23T02:13:42+09:00
Subject: Re: extend (Re: a single class that supports multiple facets/interfaces)

On Thu, Jan 23, 2003 at 02:07:14AM +0900, Gavin Sinclair wrote:
> Well, here's some cool code then:
> 
>    >> module M; def hi; "hi"; end; end
>    => nil
>    
>    >> class A; end
>    => nil
>    
>    >> A.include M
>    NameError: private method `include' called for A:Class
>            from (irb):3
> 
>    >> class Module
>    >>   def inc(*args)
>    >>     include *args
>    >>   end
>    >> end
>    => nil
>    
>    >> A.inc M
>    => A
>    
>    >> A.new.hi
>    => "hi"
> 
> Gavin (who's trying to get his Ruby-English ratio up...)

Me too :)

batsman@tux-chan:/tmp$ irb --prompt-mode simple
>> Module.instance_eval <<EOF
public :include # why not default?
EOF
=> Module
>> module M; def hi; "hi"; end; end
=> nil
>> class A; end
=> nil
>> A.new.hi
NameError: undefined method `hi' for #<A:0x40272a44>
        from (irb):6
>> A.include M
=> A
>> A.new.hi
=> "hi"
 

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