mirror of
https://github.com/Mercury-Language/mercury.git
synced 2026-04-15 09:23:44 +00:00
57 lines
1.0 KiB
Mathematica
57 lines
1.0 KiB
Mathematica
%---------------------------------------------------------------------------%
|
|
% vim: ts=4 sw=4 et ft=mercury
|
|
%---------------------------------------------------------------------------%
|
|
%
|
|
% This test case checks whether we get incorrect answers
|
|
% when a consumer gets suspended inside a commit.
|
|
|
|
:- module consumer_in_commit.
|
|
|
|
:- interface.
|
|
:- import_module io.
|
|
|
|
:- pred main(io::di, io::uo) is det.
|
|
|
|
:- implementation.
|
|
|
|
:- import_module int.
|
|
:- import_module list.
|
|
:- import_module solutions.
|
|
|
|
:- pragma require_feature_set([memo]).
|
|
|
|
main(!IO) :-
|
|
solutions(p, SolnsP),
|
|
io.write(SolnsP, !IO),
|
|
io.write_string("\n", !IO),
|
|
solutions(q, SolnsQ),
|
|
io.write(SolnsQ, !IO),
|
|
io.write_string("\n", !IO).
|
|
|
|
:- pred p(int).
|
|
:- mode p(out) is nondet.
|
|
|
|
p(X) :-
|
|
q(X),
|
|
r(X).
|
|
|
|
:- pragma minimal_model(q/1).
|
|
:- pred q(int).
|
|
:- mode q(out) is nondet.
|
|
|
|
q(X) :-
|
|
(
|
|
X = 1
|
|
;
|
|
q(Y),
|
|
X = Y + 1,
|
|
X < 10
|
|
).
|
|
|
|
:- pred r(int).
|
|
:- mode r(in) is semidet.
|
|
|
|
r(X) :-
|
|
X < 5,
|
|
q(_).
|