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73 lines
2.8 KiB
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73 lines
2.8 KiB
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<title>Logtalk built-in method: call/N</title>
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<div class="top-left">Logtalk reference manual</div>
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<div class="top-right">Built-in method: call/N</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#methods">built-in methods</a></div>
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<h2 id="methods_call1" class="codenp">call/N</h2>
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<h4>Description</h4>
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<pre>call(Closure, Arg)
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call(Closure, Arg1, Arg2)
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...</pre>
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<p>
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Calls a goal constructed by appending additional arguments to a closure. The upper limit for <code>N</code> depends on the upper limit for the arity of a compound term of the back-end Prolog compiler.
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</p>
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<h4>Template and modes</h4>
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<pre>call(+callable, ?term)
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call(+callable, ?term, ?term)
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...</pre>
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<h4>Errors</h4>
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<dl>
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<dt>Closure is a variable:</dt>
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<dd><code>instantiation_error</code></dd>
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<dt>Closure is neither a variable nor a callable term:</dt>
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<dd><code>type_error(callable, Closure)</code></dd>
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</dl>
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<h4>Examples</h4>
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<dl>
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<dt>Call a goal in <a class="glossary" title="Go to glossary definition" href="../../glossary.html#this">this</a> constructed by appending addtional arguments to a closure:</dt>
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<dd><code>call(Closure, Arg1, Arg2, ...)</code></dd>
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<dt>Call a goal in <a class="glossary" title="Go to glossary definition" href="../../glossary.html#self">self</a> constructed by appending addtional arguments to a closure:</dt>
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<dd><code>::call(Closure, Arg1, Arg2, ...)</code></dd>
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<dt>Call a goal in an object constructed by appending addtional arguments to a closure:</dt>
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<dd><code>Object::call(Closure, Arg1, Arg2, ...)</code></dd>
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</dl>
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<div class="footer">
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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: March 5, 2006</span>
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<span><a href="../index.html#methods">previous</a> | <a href="../../glossary.html">glossary</a> | <a href="../index.html#methods">next</a></span><br/>
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