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37 lines
574 B
Mathematica
37 lines
574 B
Mathematica
:- module printlist.
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:- interface.
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:- import_module list, int, io.
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:- pred print_list(list(int), io__state, io__state).
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:- mode print_list(in, di, uo) is det.
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:- implementation.
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print_list(Xs) -->
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(
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{ Xs = [] }
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->
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io__write_string("[]\n")
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;
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io__write_string("["),
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print_list_2(Xs),
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io__write_string("]\n")
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).
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:- pred print_list_2(list(int), io__state, io__state).
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:- mode print_list_2(in, di, uo) is det.
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print_list_2([]) --> [].
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print_list_2([X|Xs]) -->
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io__write_int(X),
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(
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{ Xs = [] }
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->
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[]
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;
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io__write_string(", "),
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print_list_2(Xs)
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).
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