;; -*-theme-d-*-

;; Copyright (C) 2014  Tommi Höynälänmaa
;; Distributed under GNU General Public License version 3,
;; see file doc/GPL-3.

;; Expected results: translation and running OK


(define-proper-program (tests test251)


  (import (standard-library core)
	  (standard-library console-io))


  (define-param-logical-type :my-list (%type)
    (:union (:pair %type (:my-list %type)) <null>))


  (define-param-logical-type :my-nonempty-list (%type)
    (:pair %type (:my-list %type)))


  (define-param-proc display-list (%number)
		     (((lst (:my-list %number)))
		       <none>
		      (nonpure))
    (if (not (equal? lst null))
	(let ((lst1 (cast (:my-nonempty-list %number) lst)))
	  (console-display (car lst1))
	  (console-newline)
	  (display-list (cdr lst1)))))

  (define main
    (lambda (() <none> nonpure)
      (let ((lst (list 1.5 2.5 3.5 4.5 5.5)))
	  (display-list lst)))))
