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https://github.com/Mercury-Language/mercury.git
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54 lines
1.2 KiB
Mathematica
54 lines
1.2 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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:- module compare_representation.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is cc_multi.
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:- implementation.
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:- import_module pair.
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:- import_module univ.
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main(!IO) :-
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test(d1, d1, !IO),
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test(d1, dm, !IO),
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test(dm, dm, !IO),
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test(dm, dt, !IO),
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test(df1, df2, !IO).
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:- type val == pair(string, univ).
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:- func d1 = val.
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d1 = "1 : int" - univ(1).
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:- func dm = val.
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dm = "main : pred(io__state, io__state)" - univ(main).
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:- func dt = val.
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dt = "test(d1, dm) : pred(io__state, io__state)" - univ(test(d1, dm)).
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:- func df1 = val.
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df1 = "foo(1) : func(int) = int" - univ(foo(1)).
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:- func df2 = val.
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df2 = "foo(2) : func(int) = int" - univ(foo(2)).
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:- func foo(int, int) = int.
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foo(_, Z) = Z.
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:- pred test(val::in, val::in, io::di, io::uo) is cc_multi.
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test(SA - A, SB - B, !IO) :-
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io.write_string(SA, !IO),
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io.nl(!IO),
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io.write_string(SB, !IO),
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io.nl(!IO),
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compare_representation(Res, A, B),
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io.write_string("Result = ", !IO),
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io.write(Res, !IO),
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io.write_string(".\n\n", !IO).
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