;; -*-theme-d-*-

;; Copyright (C) 2017 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 test492)

  (import (standard-library core-forms))

  (define _console-display
    (unchecked-prim-proc
     theme-prim-console-display (<object>) <none> nonpure))

  (define console-display-string
    (lambda (((str <string>)) <none> nonpure)
      (_console-display str)))

  (define console-newline
    (unchecked-prim-proc theme-console-newline () <none> nonpure))

  (define integer->string
    (prim-proc number->string (<integer>) <string> pure))

  (define real->string
    (prim-proc number->string (<real>) <string> pure))

  (define-param-proc-alt car (%type1 %type2)
    (unchecked-prim-proc car ((:pair %type1 %type2)) %type1
			 (pure always-returns)))

  (define-param-proc-alt cdr (%type1 %type2)
    (unchecked-prim-proc cdr ((:pair %type1 %type2)) %type2
			 (pure always-returns)))

  (define-param-proc-alt cons (%type1 %type2)
    (unchecked-prim-proc cons
			 (%type1 %type2)
			 (:pair %type1 %type2)
			 (pure always-returns)))

  (define-param-proc myproc (%type)
		     (((l (rest %type))) (:pair %type %type) pure)
    (let ((l1 (cast (:tuple %type %type) l)))
      (cons (car l1) (car (cdr l1)))))

  (define-simple-proc main (() <none> nonpure)
    (let ((p (myproc 1 2)))
      (console-display-string (integer->string (car p)))
      (console-newline)
      (console-display-string (integer->string (cdr p)))
      (console-newline))))
