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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>libqalculate-0.9.7: BooleanArgument Class Reference</title>
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<h1>BooleanArgument Class Reference</h1><!-- doxytag: class="BooleanArgument" --><!-- doxytag: inherits="Argument" -->A boolean argument.  
<a href="#_details">More...</a>
<p>
<code>#include &lt;Function.h&gt;</code>
<p>
<div class="dynheader">
Inheritance diagram for BooleanArgument:</div>
<div class="dynsection">

<p><center><img src="classBooleanArgument.png" usemap="#BooleanArgument_map" border="0" alt=""></center>
<map name="BooleanArgument_map">
<area href="classArgument.html" alt="Argument" shape="rect" coords="0,0,112,24">
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<p>
<a href="classBooleanArgument-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e270c04473329810e398a63bdec69e06"></a><!-- doxytag: member="BooleanArgument::BooleanArgument" ref="e270c04473329810e398a63bdec69e06" args="(string name_=&quot;&quot;, bool does_test=true, bool does_error=true)" -->
&nbsp;</td><td class="memItemRight" valign="bottom"><b>BooleanArgument</b> (string name_=&quot;&quot;, bool does_test=true, bool does_error=true)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d50f6f105be0f684f1dcdadaa2545a4c"></a><!-- doxytag: member="BooleanArgument::BooleanArgument" ref="d50f6f105be0f684f1dcdadaa2545a4c" args="(const BooleanArgument *arg)" -->
&nbsp;</td><td class="memItemRight" valign="bottom"><b>BooleanArgument</b> (const <a class="el" href="classBooleanArgument.html">BooleanArgument</a> *arg)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBooleanArgument.html#429b56f7f24c374d6c2f5361fd4e0e05">type</a> () const </td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="classArgument.html">Argument</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBooleanArgument.html#6348cebcbd76cc8aa442387a99f7b36e">copy</a> () const </td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBooleanArgument.html#00608fd0ef3803bb118d3d4eac87abba">print</a> () const </td></tr>

<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBooleanArgument.html#19b9a27f65c804a0107260991b1ba01c">subtest</a> (<a class="el" href="classMathStructure.html">MathStructure</a> &amp;value, const <a class="el" href="structEvaluationOptions.html">EvaluationOptions</a> &amp;eo) const </td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBooleanArgument.html#ea16beb0f86ba00b8d2db7c2625fed9d">subprintlong</a> () const </td></tr>

</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A boolean argument. 
<p>
Accepts zero or one. <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="19b9a27f65c804a0107260991b1ba01c"></a><!-- doxytag: member="BooleanArgument::subtest" ref="19b9a27f65c804a0107260991b1ba01c" args="(MathStructure &amp;value, const EvaluationOptions &amp;eo) const " -->
<div class="memitem">
<div class="memproto">
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          <td class="memname">virtual bool BooleanArgument::subtest           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classMathStructure.html">MathStructure</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>value</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="structEvaluationOptions.html">EvaluationOptions</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>eo</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td width="100%"> const<code> [protected, virtual]</code></td>
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<p>
This function is called from <a class="el" href="classArgument.html#56535da601c8f8f46c2b9fa3cfe97730">Argument::test()</a> and performs validation specific to the argument definition type. Should be reimplemented by all subclasses.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>value</em>&nbsp;</td><td>Value to test. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>eo</em>&nbsp;</td><td>Evaluation options to use if the value needs to be evaluated. </td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>true if the value is valid for the argument definition. </dd></dl>

<p>Reimplemented from <a class="el" href="classArgument.html#c6e3f5ea55c3abe8fd7f978647589087">Argument</a>.</p>

</div>
</div><p>
<a class="anchor" name="ea16beb0f86ba00b8d2db7c2625fed9d"></a><!-- doxytag: member="BooleanArgument::subprintlong" ref="ea16beb0f86ba00b8d2db7c2625fed9d" args="() const " -->
<div class="memitem">
<div class="memproto">
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          <td class="memname">virtual string BooleanArgument::subprintlong           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"> const<code> [protected, virtual]</code></td>
        </tr>
      </table>
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<div class="memdoc">

<p>
This function is called from <a class="el" href="classArgument.html#09d80da7b0eb5d0b63f31f4289425049">Argument::printlong()</a> and returns description specific the argument definition type. Should be reimplemented by all subclasses. For example <a class="el" href="classIntegerArgument.html#0f97d178c0ccb382794429cd43c69964">IntegerArgument::subprintlong()</a> might return "an integer" and <a class="el" href="classArgument.html#09d80da7b0eb5d0b63f31f4289425049">Argument::printlong()</a> might append " that fulfills the condition: even(\x)".<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>Long description. </dd></dl>

<p>Reimplemented from <a class="el" href="classArgument.html#ecb66daedc6826a33816652afb64e674">Argument</a>.</p>

</div>
</div><p>
<a class="anchor" name="429b56f7f24c374d6c2f5361fd4e0e05"></a><!-- doxytag: member="BooleanArgument::type" ref="429b56f7f24c374d6c2f5361fd4e0e05" args="() const " -->
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          <td class="memname">virtual int BooleanArgument::type           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"> const<code> [virtual]</code></td>
        </tr>
      </table>
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<p>
Returns the type of the argument, corresponding to which subclass the object belongs to.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd><a class="el" href="Function_8h.html#a15f3f718db408445afc1b93c12294c5" title="Argument types.">ArgumentType</a>. </dd></dl>

<p>Reimplemented from <a class="el" href="classArgument.html#2709c0d89f7827fabb1c4d4a563cae1a">Argument</a>.</p>

</div>
</div><p>
<a class="anchor" name="6348cebcbd76cc8aa442387a99f7b36e"></a><!-- doxytag: member="BooleanArgument::copy" ref="6348cebcbd76cc8aa442387a99f7b36e" args="() const " -->
<div class="memitem">
<div class="memproto">
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          <td class="memname">virtual <a class="el" href="classArgument.html">Argument</a>* BooleanArgument::copy           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"> const<code> [virtual]</code></td>
        </tr>
      </table>
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<div class="memdoc">

<p>
Returns a copy of the argument definition.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>A copy. </dd></dl>

<p>Reimplemented from <a class="el" href="classArgument.html#b3c1acf637efbe585bb716cb6ecf5829">Argument</a>.</p>

</div>
</div><p>
<a class="anchor" name="00608fd0ef3803bb118d3d4eac87abba"></a><!-- doxytag: member="BooleanArgument::print" ref="00608fd0ef3803bb118d3d4eac87abba" args="() const " -->
<div class="memitem">
<div class="memproto">
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          <td class="memname">virtual string BooleanArgument::print           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"> const<code> [virtual]</code></td>
        </tr>
      </table>
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<div class="memdoc">

<p>
Resturns a short description of the argument definition. Ex. "number" for <a class="el" href="classNumberArgument.html" title="A definition for numerical arguments.">NumberArgument</a>.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>Short description. </dd></dl>

<p>Reimplemented from <a class="el" href="classArgument.html#3d7c3969caf6b5e9dd70574bbbaffe3d">Argument</a>.</p>

</div>
</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li>libqalculate/<a class="el" href="Function_8h.html">Function.h</a></ul>
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