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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.
76 lines
1.4 KiB
Mathematica
76 lines
1.4 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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:- module divide_and_query1.
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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 bool.
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:- type t
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---> a
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; b
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; c.
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:- type list(T)
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---> []
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; [T | list(T)].
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main(!IO) :-
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to_b([a, a, a, a, a, a, a, a, a, a], X),
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( if abba([b, a, a, b]) then
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A = yes
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else
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A = no
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),
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( if abba([a, a, a, b]) then
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B = yes
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else
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B = no
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),
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( if abba([a, a, b, b]) then
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C = yes
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else
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C = no
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),
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to_b2([c, c, c, c, c, c, c], Y),
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write(X, !IO),
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write(Y, !IO),
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write([A, B, C], !IO).
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:- pred to_b(list(t)::in, list(t)::out) is det.
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to_b([], []).
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to_b([_ | T], [b | L]) :-
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to_b(T, L).
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:- pred abba(list(t)::in) is semidet.
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abba(L) :-
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abba_perm(L, [a, b, b, a]).
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:- pred abba_perm(list(T)::in, list(T)::out) is multi.
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abba_perm([], []).
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abba_perm([X | Xs], Ys) :-
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abba_perm(Xs, Ys0),
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abba_delete(Ys, X, Ys0).
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:- pred abba_delete(list(T)::out, T::in, list(T)::in) is multi.
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abba_delete([X | L], X, L).
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abba_delete([X | Xs], Y, [X | L]) :-
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abba_delete(Xs, Y, L).
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:- pred to_b2(list(t)::in, list(t)::out) is det.
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to_b2(L0, L) :-
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to_b(L0, L).
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