reference.rb in facets-2.9.0.pre.1

- old
+ new

@@ -5,14 +5,14 @@
 #
 # == Synopsis
 #
 #   a = "HELLO"
 #   b = ref(a)
-#   puts b    #=> "HELLO"
+#   b.to_s    #=> "HELLO"
 #   c = 10
 #   b.become(c)
-#   puts b    #=> "10"
+#   b.to_s    #=> "10"
 #
 # == Authors
 #
 # * Thomas Sawyer
 #
@@ -34,19 +34,20 @@
 # Reference provides a way to access object indirectly.
 # This allows for the object itself to be changed on the fly.
 #
 #   a = "HELLO"
 #   b = ref(a)
-#   puts b    #=> "HELLO"
+#   b.to_s    #=> "HELLO"
 #   c = 10
 #   b.become(c)
-#   puts b    #=> "10"
+#   b.to_s    #=> "10"
 #
-class Reference
+# TODO: Use BasicObject for Ruby 1.9.
 
-  # Privatize most Kernel methods.
+class Reference #< BasicObject
 
+  # Privatize most Kernel methods.
   private *instance_methods
 
   def self.new(obj)
     ref = allocate
     ref.become obj
@@ -72,28 +73,11 @@
 
 
 module Kernel
 
   # Shortcut reference constructor.
-
   def ref(x)
     Reference.new(x)
   end
 
 end
 
-
-
-#  _____         _
-# |_   _|__  ___| |_
-#   | |/ _ \/ __| __|
-#   | |  __/\__ \ |_
-#   |_|\___||___/\__|
-#
-
-=begin #test
-
-  require 'test/unit'
-
-  # TODO
-
-=end