mirror of
https://github.com/Mercury-Language/mercury.git
synced 2026-04-20 03:43:51 +00:00
ecb5e4a9e6
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.
36 lines
770 B
Mathematica
36 lines
770 B
Mathematica
%---------------------------------------------------------------------------%
|
|
% vim: ts=4 sw=4 et ft=mercury
|
|
%---------------------------------------------------------------------------%
|
|
|
|
:- module impure_func_t1.
|
|
|
|
:- interface.
|
|
|
|
:- import_module io.
|
|
|
|
:- pred main(io::di, io::uo) is det.
|
|
|
|
:- implementation.
|
|
:- import_module int.
|
|
:- import_module require.
|
|
|
|
:- pragma promise_pure(main/2).
|
|
|
|
main(!IO) :-
|
|
impure X = get_counter,
|
|
io.print("X = ", !IO),
|
|
io.print_line(X, !IO).
|
|
|
|
:- pragma foreign_decl("C", "extern MR_Integer counter;").
|
|
:- pragma foreign_code("C", "MR_Integer counter = 0;").
|
|
|
|
:- impure func get_counter = int is det.
|
|
|
|
get_counter = 0.
|
|
:- pragma foreign_proc("C",
|
|
get_counter = (X::out),
|
|
[will_not_call_mercury],
|
|
"
|
|
X = counter;
|
|
").
|