Class: Transformer::SecondYielder

Inherits:

Consumer::Yielder

• Object
• Consumer::Yielder
• Transformer::SecondYielder

Defined in:

lib/coroutines/base.rb

Instance Method Summary

• #await ⇒ Object
• #initialize(y, fiber) ⇒ SecondYielder constructor

  A new instance of SecondYielder.

• #yield(*args) ⇒ Object (also: #<<)

Constructor Details

#initialize(y, fiber) ⇒ SecondYielder

Returns a new instance of SecondYielder.

# File 'lib/coroutines/base.rb', line 566

def initialize(y, fiber)
	@y, @fiber = y, fiber
end

Instance Method Details

#await ⇒ Object

Raises:

• (StopIteration)

# File 'lib/coroutines/base.rb', line 571

def await
	raise StopIteration unless @fiber.alive?
	tag, result = @fiber.resume
	while tag == :await do
		x = nil
		begin
			x = @y.await
		rescue Exception => e
			tag, result = @fiber.raise(e)
		end
		tag, result = @fiber.resume(*x) unless x.nil?
		raise StopIteration unless @fiber.alive?
	end
	result
end

#yield(*args) ⇒ Object Also known as: <<

# File 'lib/coroutines/base.rb', line 603

def yield(*args)
	@y.yield(*args)
	self
end