Method: Lazy::Future#initialize

Defined in:
lib/core/facets/lazy.rb

#initialize(&computation) ⇒ Future

:nodoc:



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# File 'lib/core/facets/lazy.rb', line 169

def initialize( &computation ) #:nodoc:
  result = nil
  exception = nil

  thread = Thread.new do
    begin
      result = computation.call( self )
    rescue Exception => exception
    end
  end

  super() do
    raise DivergenceError.new if Thread.current == thread
    thread.join
    raise exception if exception
    result
  end
end