Deleted: MacRuby/trunk/futures.rb (3147 => 3148)

--- MacRuby/trunk/futures.rb	2009-12-22 19:43:23 UTC (rev 3147)
+++ MacRuby/trunk/futures.rb	2009-12-22 19:51:05 UTC (rev 3148)
@@ -1,34 +0,0 @@
-#!/usr/local/bin/macruby
-
-# An implementation of futures (delayed computations) on top of GCD.
-# Original implementation written by Patrick Thomson.
-# Improvements made by Ben Stiglitz.
-
-include Dispatch
-
-class Future
-  def initialize(&block)
-    # Each thread gets its own FIFO queue upon which we will dispatch
-    # the delayed computation passed in the &block variable.
-    Thread.current[:futures] ||= Queue.new("org.macruby.futures-#{Thread.current.object_id}")
-    # Groups are just simple layers on top of semaphores.
-    @group = Group.new
-    # Asynchronously dispatch the future to the thread-local queue.
-    Thread.current[:futures].async(@group) { @value = block[] }
-  end
-  
-  def value
-    # Wait fo the computation to finish. If it has already finished, then
-    # just return the value in question.
-    @group.wait
-    @value
-  end
-end
-
-
-f = Future.new do
-  sleep 2.5
-  'some value'
-end
- 
-p f.value
\ No newline at end of file