mirror of
https://github.com/Mercury-Language/mercury.git
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47 lines
966 B
Mathematica
47 lines
966 B
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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:- module func_test.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is det.
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:- implementation.
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:- import_module int.
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:- import_module std_util.
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main(!IO) :-
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io.write_int(f(7 * 8) + g(9 * 10), !IO),
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io.write_string("\n", !IO),
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io.write_int(test, !IO),
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io.write_string("\n", !IO),
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io.write_int(g(f(test)), !IO),
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io.write_string("\n", !IO),
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io.write_int(test2, !IO),
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io.write_string("\n", !IO),
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io.write_int(g(f(test2)), !IO),
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io.write_string("\n", !IO).
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:- mode test2 == out.
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:- func f(int) = int.
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:- mode f(in) = test2 is det.
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f(X) = Y :- Y = X + 1.
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:- func g(int) = int.
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g(X) = X + 2.
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:- func test = int.
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:- mode test = out is det.
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:- mode test = in is semidet.
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test = 123.
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% test type inference
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test2 = 456.
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