31 lines
538 B
Plaintext
31 lines
538 B
Plaintext
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:- protocol(numberlistp).
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:- info([
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version is 1.0,
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authors is 'Paulo Moura',
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date is 2000/7/24,
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comment is 'List of numbers protocol.']).
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:- public(sum/2).
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:- mode(sum(+list, ?number), zero_or_one).
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:- info(sum/2,
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[comment is 'Calculates the sum of all list values.',
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argnames is ['List', 'Sum']]).
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:- public(average/2).
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:- mode(average(+list, ?number), zero_or_one).
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:- info(average/2,
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[comment is 'Calculates the average of a list of values.',
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argnames is ['List', 'Average']]).
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:- end_protocol.
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