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@adamsanderson
Created January 18, 2011 15:44
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An example of using Delegator to implement Futures in ruby.
require 'delegate'
class Future < SimpleDelegator
def initialize(&block)
@_thread = Thread.start(&block)
end
def __getobj__
__setobj__(@_thread.value) if @_thread.alive?
super
end
end
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