From: matz@... (Yukihiro Matsumoto)
Date: 2002-05-03T02:00:31+09:00
Subject: Re: A scoping issue

Hi,

In message "A scoping issue"
    on 02/05/02, Harry Ohlsen <harryo@zip.com.au> writes:

|The problem is that, of course, the reference to @x
|assumes it's an instance variable of class A, rather
|than the one from class B, in the outer scope.
|
|Is there some way I can get the block passed to the
|A.new to end up with the @x from the instance of B
|that I'm constructing?

  class A
     def initialize(block)
        @code = block
     end
     def execute
       @code.call
     end
  end

  class B
     def initialize
        @x = 123
        a = A.new(proc { puts @x })
        a.execute
     end
  end

  B.new

prints 123 as you may expect.

							matz.