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;; -*-theme-d-*-
;; Copyright (C) 2015 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 test342)
(import (standard-library core)
(standard-library console-io))
(define-param-class :a
(parameters %element)
(fields
(field1 %element public module 0)))
(define-virtual-gen-proc push)
(define-virtual-gen-proc pop)
(define-param-virtual-method push
(%element)
(((store (:a %element)) (item %element)) <none> nonpure)
(field-set! store 'field1 item))
(define-param-virtual-method pop
(%element)
(((store (:a %element))) %element nonpure)
(field-ref store 'field1))
(define-param-signature :stack (%element) ()
(push (this %element) <none> nonpure)
(pop (this) %element nonpure))
(define myproc
(lambda (((s (:stack <integer>)) (item <integer>)) <integer> nonpure)
(push s item)
(pop s)))
(define main
(lambda (() <none> nonpure)
(let ((mystack (create (:a <integer>))))
(console-display-line (myproc mystack 1))))))
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