(call/lambda a ())
(call/lambda (call/apply s (apply args)) ((call/apply print (apply hello))))
(call/lambda
(call/apply-dot
(call/lambda
(call/apply-dot
(call/lambda (call/apply-dot (call/lambda-dot chain (body)) (map)) ((call/apply print (apply hello))))
(select))
((> x 0)))
(reject))
((> x 5)))