Class: Worker::Defer

Inherits:
Object
  • Object
show all
Defined in:
lib/worker.rb

Defined Under Namespace

Classes: ValueError

Instance Method Summary collapse

Constructor Details

#initialize(&block) ⇒ Defer

Returns a new instance of Defer.



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# File 'lib/worker.rb', line 9

def initialize(&block)
  @value = Queue.new

  Thread.new do
    @value.push block.call
  end
end

Instance Method Details

#value ⇒ Object 



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# File 'lib/worker.rb', line 17

def value
  @value.pop
end

#value! ⇒ Object 



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# File 'lib/worker.rb', line 21

def value!
  if @value.length == 1
    value
  else
    raise ValueError
  end
end