dbg.nu

(macro dbg (s)
	`(let ((_a ,s))
		(print ',s)
		(print " = ")
		(puts _a)
		_a))

(function factorial (n)
	(if (< n 2)
		(then n)
		(else (dbg (* n (factorial (- n 1)))))))

('(1 2 3 4 5) each: (do (n)
	(puts (factorial n))))