q/tests/programs/sub.q

main() {
	assert 0 - 0 == 0
	assert 1 - 1 == 0
	assert 1 - 2 == -1
	assert 2 - 1 == 1
	assert 2 - 2 == 0
	assert 4 - 2 == 2
	assert 8 - 2 == 6
}