Files
mercury/tests/general/nondet_ite.m
Zoltan Somogyi ecb5e4a9e6 Update the style of many test cases.
tests/declarative_debugger/*.m:
tests/exceptions/*.m:
tests/general/*.m:
tests/grade_subdirs/*.m:
tests/purity/*.m:
tests/submodules/*.m:
tests/typeclasses/*.m:
    Update programming style.

tests/declarative_debugger/*.inp:
    Update line numbers in breakpoint commands.
tests/declarative_debugger/*.exp:
    Update expected line numbers.

tests/exceptions/Mercury.options:
tests/general/Mercury.options:
    Disable some warnings that are irrelevant to the test.
2021-07-25 23:26:17 +10:00

52 lines
971 B
Mathematica

%---------------------------------------------------------------------------%
% vim: ts=4 sw=4 et ft=mercury
%---------------------------------------------------------------------------%
%
% nondet_ite.m: test nondet if-then-else with nondet condition.
:- module nondet_ite.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
:- implementation.
:- import_module int.
:- import_module list.
:- import_module solutions.
main(!IO) :-
solutions(r, List),
write_int_list(List, !IO).
:- pred q(int::out, int::out) is nondet.
q(X, Y) :-
p(X),
( if some [Y1] p(Y1) then
Y = Y1
else
Y = 42
).
:- pred p(int::out) is nondet.
p(0).
p(1).
p(2).
:- pred r(int::out) is nondet.
r(Z) :-
q(X, Y),
Z = X * 100 + Y.
:- pred write_int_list(list(int)::in, io::di, io::uo) is det.
write_int_list([], !IO).
write_int_list([X | Xs], !IO) :-
io.write_int(X, !IO),
io.nl(!IO),
write_int_list(Xs, !IO).