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<h1>lyaml 6.2.8</h1>

<ul>
  <li><a href="../index.html">Index</a></li>
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<h2>Contents</h2>
<ul>
<li><a href="#Functions">Functions</a></li>
<li><a href="#Tables">Tables</a></li>
</ul>


<h2>Modules</h2>
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  <li><a href="../modules/lyaml.html">lyaml</a></li>
  <li><a href="../modules/lyaml.explicit.html">lyaml.explicit</a></li>
  <li><strong>lyaml.functional</strong></li>
  <li><a href="../modules/lyaml.implicit.html">lyaml.implicit</a></li>
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<h1>Module <code>lyaml.functional</code></h1>
<p>

</p>
<p>

</p>


<h2><a href="#Functions">Functions</a></h2>
<table class="function_list">
	<tr>
	<td class="name" nowrap><a href="#isnull">isnull (x)</a></td>
	<td class="summary"><code>lyaml.null</code> predicate.</td>
	</tr>
	<tr>
	<td class="name" nowrap><a href="#iscallable">iscallable (x)</a></td>
	<td class="summary">Callable predicate.</td>
	</tr>
	<tr>
	<td class="name" nowrap><a href="#anyof">anyof (fns)</a></td>
	<td class="summary">Compose a function to try each callable with supplied args.</td>
	</tr>
	<tr>
	<td class="name" nowrap><a href="#id">id (...)</a></td>
	<td class="summary">Return arguments unchanged.</td>
	</tr>
</table>
<h2><a href="#Tables">Tables</a></h2>
<table class="function_list">
	<tr>
	<td class="name" nowrap><a href="#NULL">NULL</a></td>
	<td class="summary"><code>lyaml.null</code> value.</td>
	</tr>
</table>

<br/>
<br/>


    <h2 class="section-header "><a name="Functions"></a>Functions</h2>

    <dl class="function">
    <dt>
    <a name = "isnull"></a>
    <strong>isnull (x)</strong>
    </dt>
    <dd>
    <code>lyaml.null</code> predicate.


    <h3>Parameters:</h3>
    <ul>
        <li><span class="parameter">x</span>
         operand
        </li>
    </ul>

    <h3>Returns:</h3>
    <ol>

           <span class="types"><span class="type">bool</span></span>
        <code>true</code> if <em>x</em> is <code>lyaml.null</code>.
    </ol>




</dd>
    <dt>
    <a name = "iscallable"></a>
    <strong>iscallable (x)</strong>
    </dt>
    <dd>
    Callable predicate.


    <h3>Parameters:</h3>
    <ul>
        <li><span class="parameter">x</span>
         operand
        </li>
    </ul>

    <h3>Returns:</h3>
    <ol>

           <span class="types"><span class="type">bool</span></span>
        <code>true</code> if <em>x</em> is a function has a __call metamethod
    </ol>



    <h3>Usage:</h3>
    <ul>
        <pre class="example">r = iscallable(x) <span class="keyword">and</span> x(...)</pre>
    </ul>

</dd>
    <dt>
    <a name = "anyof"></a>
    <strong>anyof (fns)</strong>
    </dt>
    <dd>
    Compose a function to try each callable with supplied args.


    <h3>Parameters:</h3>
    <ul>
        <li><span class="parameter">fns</span>
            <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.5">table</a></span>
         list of functions to try
        </li>
    </ul>

    <h3>Returns:</h3>
    <ol>

           <span class="types"><span class="type">function</span></span>

<p>a new function to call <em>...</em> functions, stopping</p>
<pre><code>and returning the first non-nil result, if any
</code></pre>

    </ol>




</dd>
    <dt>
    <a name = "id"></a>
    <strong>id (...)</strong>
    </dt>
    <dd>
    Return arguments unchanged.


    <h3>Parameters:</h3>
    <ul>
        <li><span class="parameter">...</span>
         arguments
        </li>
    </ul>

    <h3>Returns:</h3>
    <ol>

        <em>...</em>
    </ol>




</dd>
</dl>
    <h2 class="section-header "><a name="Tables"></a>Tables</h2>

    <dl class="function">
    <dt>
    <a name = "NULL"></a>
    <strong>NULL</strong>
    </dt>
    <dd>
    <code>lyaml.null</code> value.







</dd>
</dl>


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<i style="float:right;">Last updated 2022-10-22 17:12:03 </i>
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