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60 lines
2.1 KiB
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60 lines
2.1 KiB
HTML
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<title>Logtalk built-in predicate: current_protocol/1</title>
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<div class="top-left">Logtalk reference manual</div>
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<div class="top-right">Built-in predicate: current_protocol/1</div>
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<div class="bottom-left"><span class="page"/></div>
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<div class="bottom-right"><span class="page"/></div>
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<div class="navtop"><a href="../../index.html">contents</a> > <a href="../index.html">reference manual</a> > <a href="../index.html#builtins">built-in predicates</a></div>
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<h2 id="builtins_current_protocol1" class="codenp">current_protocol/1</h2>
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<h4>Description</h4>
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<pre>current_protocol(Protocol)</pre>
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<p>
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Enumerates, by backtracking, all currently defined protocols. All protocols are found, either static, dynamic, or built-in.
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</p>
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<h4>Template and modes</h4>
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<pre>current_protocol(?protocol_identifier)</pre>
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<h4>Errors</h4>
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<dl>
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<dt>Protocol is neither a variable nor a valid protocol identifier:</dt>
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<dd><code>type_error(protocol_identifier, Protocol)</code></dd>
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</dl>
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<h4>Examples</h4>
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<pre>| ?- current_protocol(listp).</pre>
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<span>Copyright © <a href="mailto:pmoura@logtalk.org">Paulo Moura</a> — <a href="http://logtalk.org">Logtalk.org</a></span><br/>
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<span>Last updated on: October 26, 2006</span>
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