(newvar '- [(+ arg1 (negate arg2))])
(newvar '-- [(- arg1 1)])
(newvar '++ [(+ arg1 1)])
(newvar '!! [
    (if arg1 [false] [true])
])
(newvar 'ztb [
    (if (== arg1 0) [false] [if (== arg1 false) [false] [true]])
])
(newvar 'ifz [
    (if (ztb arg1) arg2 arg3)
])
(newvar 'inz [
    (if (!! (ztb arg1)) arg2 arg3)
])
(newvar '! [
	(inz arg1 [1] [(*
		arg1
		(! (-- arg1))
	)])
])
(newvar 'for [
    (if (arg2 arg1) [
        (arg3 arg1)
        (for (++ arg1) arg2 arg3)
    ][true]) 
])
(newvar 'inrng [
    (for arg1 [(< arg1 (++ arg2))] arg3)
])
(newvar 'internal_in [
    (newvar 'a arg1)
    (newvar 'k (keys arg1) )
    (inrng 1 (len arg1) [
        (arg2 (at k arg1) (at a (at k arg1)))
    ])
])
(newvar 'in [
    (internal_in arg1 arg2)
])
('exports
	'- -
	'-- --
	'++ ++
	'ifz ifz
	'inz inz
	'!! !!
	'! !
	'for for
	'inrng inrng
	'in in
)