proc binop
	filen	binop.icn
	local	0,001000,op
	local	1,001000,result
	local	2,001000,rest
	declend
	line	26
	colm	11
	mark	L1
	mark0
	pnull
	var	1
	var	0
	var	1
	pnull
	var	2
	line	28
	colm	31
	bang
	line	28
	colm	22
	invoke	2
	line	28
	colm	17
	asgn
	pop
lab L2
	efail
lab L3
	unmark
lab L1
	mark	L4
	mark	L5
	var	1
	line	30
	colm	4
	pret
lab L5
	pfail
	unmark
lab L4
	pnull
	line	32
	colm	1
	pfail
	end
