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<title>Logtalk entity directive: uses/1</title>
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<div class="top-left">Logtalk reference manual</div>
<div class="top-right">Entity directive: uses/1</div>
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<h2 class="code">uses/1</h2>
<h4>Description</h4>
<pre>uses(Object)</pre>
<p>
Declares an object that receives messages from predicates defined in the category or object containing the directive. In the current Logtalk version, this is a non-operational directive, which may be used for documentation. Nevertheless, the compiler will warn you of any unknown object referenced using this directive when an entity containing it is compiled. In a forthcoming release, this directive will likely be used to support object namespaces.
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<h4>Template and modes</h4>
<pre>uses(+object_identifier)</pre>
<h4>Examples</h4>
<pre>:- uses(list).</pre>
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<span class="date">Last updated on: November 16, 2005</span>
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