let command = (:forward, 100)

match command with {
	(:goto, (x, y)) -> "goto: {x} and {y}"
	(:home) -> "go home!"
	& (:clear) -> "clear the screen"
	& (:right, turns) -> "make {turns} to the right"
	& (:left, turns) -> "turn left! by {turns}"
	(:forward, steps) -> "forward {steps} turtle paces"
	(:back, steps) -> "flip it and reverse it {steps}"
}