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<title>object/1-4</title>
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<h2><code><a class="back" title="Return to index" href="../index.html#object1_5">object/1-5</a></code></h2>
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<h4>Description</h4>
<blockquote>
<p>
<em>Stand-alone objects</em>
</p>
<pre>
object(Object)
object(Object,
implements(Protocols))
object(Object,
imports(Categories))
object(Object,
implements(Protocols),
imports(Categories))
</pre>
<p>
<em>Prototypes</em>
</p>
<pre>
object(Object,
extends(Objects))
object(Object,
implements(Protocols),
extends(Objects))
object(Object,
imports(Categories),
extends(Objects))
object(Object,
implements(Protocols),
imports(Categories),
extends(Objects))
</pre>
<p>
<em>Instances</em>
</p>
<pre>
object(Object,
instantiates(Classes))
object(Object,
implements(Protocols),
instantiates(Classes))
object(Object,
imports(Categories),
instantiates(Classes))
object(Object,
implements(Protocols),
imports(Categories),
instantiates(Classes))
</pre>
<p>
<em>Classes</em>
</p>
<pre>
object(Object,
specializes(Classes))
object(Object,
implements(Protocols),
specializes(Classes))
object(Object,
imports(Categories),
specializes(Classes))
object(Object,
implements(Protocols),
imports(Categories),
specializes(Classes))
</pre>
<p>
<em>Metaclasses</em>
</p>
<pre>
object(Object,
instantiates(Classes),
specializes(Classes))
object(Object,
implements(Protocols),
instantiates(Classes),
specializes(Classes))
object(Object,
imports(Categories),
instantiates(Classes),
specializes(Classes))
object(Object,
implements(Protocols),
imports(Categories),
instantiates(Classes),
specializes(Classes))
</pre>
<p>
Starting object directive.
</p>
</blockquote>
<h4>Template and modes</h4>
<blockquote>
<p>
<em>Stand-alone objects</em>
</p>
<pre>
object(+object_identifier)
object(+object_identifier,
implements(+implemented_protocols))
object(+object_identifier,
imports(+imported_categories))
object(+object_identifier,
implements(+implemented_protocols),
imports(+imported_categories))
</pre>
<p>
<em>Prototypes</em>
</p>
<pre>
object(+object_identifier,
extends(+extended_objects))
object(+object_identifier,
implements(+implemented_protocols),
extends(+extended_objects))
object(+object_identifier,
imports(+imported_categories),
extends(+extended_objects))
object(+object_identifier,
implements(+implemented_protocols),
imports(+imported_categories),
extends(+extended_objects))
</pre>
<p>
<em>Instances</em>
</p>
<pre>
object(+object_identifier,
instantiates(+instantiated_objects))
object(+object_identifier,
implements(+implemented_protocols),
instantiates(+instantiated_objects))
object(+object_identifier,
imports(+imported_categories),
instantiates(+instantiated_objects))
object(+object_identifier,
implements(+implemented_protocols),
imports(+imported_categories),
instantiates(+instantiated_objects))
</pre>
<p>
<em>Classes</em>
</p>
<pre>
object(+object_identifier,
specializes(+specialized_objects))
object(+object_identifier,
implements(+implemented_protocols),
specializes(+specialized_objects))
object(+object_identifier,
imports(+imported_categories),
specializes(+specialized_objects))
object(+object_identifier,
implements(+implemented_protocols),
imports(+imported_categories),
specializes(+specialized_objects))
</pre>
<p>
<em>Metaclasses</em>
</p>
<pre>
object(+object_identifier,
instantiates(+instantiated_objects),
specializes(+specialized_objects))
object(+object_identifier,
implements(+implemented_protocols),
instantiates(+instantiated_objects),
specializes(+specialized_objects))
object(+object_identifier,
imports(+imported_categories),
instantiates(+instantiated_objects),
specializes(+specialized_objects))
object(+object_identifier,
implements(+implemented_protocols),
imports(+imported_categories),
instantiates(+instantiated_objects),
specializes(+specialized_objects))
</pre>
</blockquote>
<h4>Examples</h4>
<blockquote>
<pre>
:- object(list).
:- object(list,
implements(listp)).
:- object(list,
extends(compound)).
:- object(list,
implements(listp),
extends(compound)).
:- object(object,
imports(initialization),
instantiates(class)).
:- object(abstract_class,
instantiates(class),
specializes(object)).
:- object(agent,
imports(private::attributes)).
</pre>
</blockquote>
<hr />
<p class="center">
<strong><a href="initialization1.html">Previous</a> | <a href="protocol1_2.html">Next</a> | <a href="../index.html">Table of Contents</a> | <a href="../../bibliography.html">Bibliography</a> | <a href="../../glossary.html">Glossary</a></strong>
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<p class="center">
Last updated on: December 31, 2002
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