cc4531cd1e
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@53 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
37 lines
598 B
Plaintext
37 lines
598 B
Plaintext
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:- protocol(objectp).
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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 'Default protocol for all objects.']).
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:- public(strict_instance/0).
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:- mode(strict_instance, zero_or_one).
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:- info(strict_instance/0, [
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comment is 'True if the object is strictly an instance.']).
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:- public(print/0).
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:- mode(print, one).
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:- info(print/0, [
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comment is 'Pretty prints an object description.']).
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:- public(nil/0).
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:- mode(nil, zero_or_one).
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:- info(nil/0, [
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comment is 'True if the object represents a void reference.']).
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:- end_protocol.
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