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22 lines
429 B
Mathematica
22 lines
429 B
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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:- module state_vars_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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main(!IO).
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:- pred p(int::out) is det.
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p(!:X) :-
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% Warning about reference to "uninitialized" !.X.
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!.X = 1.
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