signals.py

def manipulate_signals(a, b):
	sum = Signal(0)
	product = Signal(0)

	@logic
	def add():
		sum.value = a.value + b.value

	@logic
	def multiply():
		product.value = sum.value * a.value

	return product

def test_signals():
	a = Signal(0)
	b = Signal(0)
	result = manipulate_signals(a, b)

	a.value = 10
	b.value = 20
	assert result.value == 300