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;; -*-theme-d-*-
;; Copyright (C) 2016 Tommi Höynälänmaa
;; Distributed under GNU General Public License version 3,
;; see file doc/GPL-3.
;; Expected results: translation error
;; The purpose of this test is to test the error message.
(define-proper-program (tests test461)
(import (standard-library core)
(standard-library stream)
(standard-library promise)
(standard-library console-io)
(standard-library object-string-conversion))
(define-param-proc my-stream-map (%type1 %type2)
(((proc (:procedure (%type1) %type2 pure))
(stm (:stream %type1)))
(:stream %type2)
pure)
(match-type stm
((<null>) null)
((stm2 (:nonempty-stream %type1))
(cons (proc (car stm2))
(delay (my-stream-map proc (stream-next stm2)))))))
(define-param-proc my-stream-map-nonpure (%type1 %type2)
(((proc (:procedure (%type1) %type2 nonpure))
(stm (:stream %type1)))
(:nonpure-stream %type2)
nonpure)
(match-type stm
((<null>) null)
((stm2 (:nonempty-stream %type1))
(cons (proc (car stm2))
(delay-nonpure
(my-stream-map-nonpure proc (stream-next stm2)))))))
(define-main-proc (() <none> nonpure)
(let* ((l1 '(1 2 3 4 5))
(stm (list->stream l1))
(stm2 (my-stream-map
(lambda (((i <integer>)) <integer> pure) (+ i 1))
stm))
(l2 (stream->list stm2))
(stm3 (my-stream-map
(lambda (((i <integer>)) <real> pure) (+ i 0.5))
stm))
(l3 (stream->list stm3))
(stm4 (my-stream-map-nonpure
(lambda (((i <integer>)) <string> nonpure)
(console-display-line "*")
(object->string i))
stm))
(l4 (nonpure-stream->list stm4)))
(console-display-line l2)
(console-display-line l3)
(console-display-line l4))))
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