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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.
42 lines
778 B
Mathematica
42 lines
778 B
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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:- module if_then_else.
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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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main(!IO) :-
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ite(0, X),
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io.write_string("ite(0, ", !IO),
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io.write_int(X, !IO),
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io.write_string(").\n", !IO),
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ite(1, Y),
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io.write_string("ite(1, ", !IO),
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io.write_int(Y, !IO),
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io.write_string(").\n", !IO).
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:- pred ite(int::in, int::out) is det.
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ite(A, B) :-
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( if a(A) then
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b(B)
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else
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a(B)
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).
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:- pred a(int).
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:- mode a(in) is semidet.
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:- mode a(out) is det.
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a(0).
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:- pred b(int).
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:- mode b(out) is det.
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b(1).
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