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<title>Logtalk built-in predicate: current_event/5</title>
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<div class="top-left">Logtalk reference manual</div>
<div class="top-right">Built-in predicate: current_event/5</div>
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<h2 class="code">current_event/5</h2>
<h4>Description</h4>
<pre>current_event(Event, Object, Message, Sender, Monitor)</pre>
<p>
Enumerates, by backtracking, all defined events. The two types of events are represented by the atoms <code>before</code> and <code>after</code>.
</p>
<h4>Template and modes</h4>
<pre>current_event(?event, ?object_identifier, ?callable, ?object_identifier, ?object_identifier)</pre>
<h4>Errors</h4>
<dl class="errors">
<dt>Event is neither a variable nor a valid event identifier:</dt>
<dd><code>type_error(event, Event)</code></dd>
<dt>Object is neither a variable nor a valid object identifier:</dt>
<dd><code>type_error(object_identifier, Object)</code></dd>
<dt>Message is neither a variable nor a callable term:</dt>
<dd><code>type_error(callable, Message)</code></dd>
<dt>Sender is neither a variable nor a valid object identifier:</dt>
<dd><code>type_error(object_identifier, Sender)</code></dd>
<dt>Monitor is neither a variable nor a valid object identifier:</dt>
<dd><code>type_error(object_identifier, Monitor)</code></dd>
</dl>
<h4>Examples</h4>
<pre>| ?- current_event(Event, Object, Message, Sender, debugger).</pre>
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<span class="date">Last updated on: November 16, 2005</span>
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