From: james@...
Date: 2002-07-10T01:36:44+09:00
Subject: RE: self_parent




> class A
>   def initialize(x)
>     x.call
>   end
>   def display
>     puts 'hello'
>   end
> end
> 
> class B
>   def initialize(x)
>     x.call
>   end
>   def display
>     puts 'goodbye'
>   end
> end
> 
> x = OpenProc { display }
> 
> A.new(x) --> hello
> B.new(x) --> goodbye

What else would OpenProc do?  Why wouldn't you do

 class ScriptMe
   def initialize( *x)
     x.each{ |m|
        self.send( m )
     }
   end

   def display
     puts 'hello'
   end
 end
 
x = "display"

ScriptMe.new( x ) --> hello

Or,

  class OpenProc
    attr_reader :proc, :script
    def initialize( prk, skrpt )
      @prok = prk
      @script = skrpt
    end
  end

  class ScriptMe
    def initialize( op )
      op.script.each{ |m|
        self.send( m )
      }
      # do something with op.prok if need be ...
    end

    def display
      puts 'hello'
    end
  end

x = OpenProc( proc{ puts "Hi!"},  "display" }
ScriptMe.new( x ) --> hello


James