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35 lines
948 B
Mathematica
35 lines
948 B
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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:- module string_append_ioi.
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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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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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:- implementation.
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:- import_module list.
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:- import_module string.
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%---------------------------------------------------------------------------%
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main(!IO) :-
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( if
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string.append("", A, "cat"),
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string.append("c", B, "cat"),
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string.append("ca", C, "cat"),
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string.append("cat", D, "cat"),
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not string.append("cat", _, "dogcat")
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then
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io.write([A, B, C, D], !IO),
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io.nl(!IO)
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else
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io.write_string("tested failed\n", !IO)
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).
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