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<title>tclap: TCLAP::Constraint&lt; T &gt; Class Template Reference</title>
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<h1>TCLAP::Constraint&lt; T &gt; Class Template Reference</h1><!-- doxytag: class="TCLAP::Constraint" -->
<p>The interface that defines the interaction between the <a class="el" href="classTCLAP_1_1Arg.html" title="A virtual base class that defines the essential data for all arguments.">Arg</a> and <a class="el" href="classTCLAP_1_1Constraint.html" title="The interface that defines the interaction between the Arg and Constraint.">Constraint</a>.  
<a href="#_details">More...</a></p>

<p><code>#include &lt;<a class="el" href="Constraint_8h_source.html">Constraint.h</a>&gt;</code></p>
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Inheritance diagram for TCLAP::Constraint&lt; T &gt;:</div>
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  <map id="TCLAP::Constraint&lt; T &gt;_map" name="TCLAP::Constraint&lt; T &gt;_map">
<area href="classTCLAP_1_1ValuesConstraint.html" alt="TCLAP::ValuesConstraint&lt; T &gt;" shape="rect" coords="0,56,185,80"/>
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<p><a href="classTCLAP_1_1Constraint-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual std::string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTCLAP_1_1Constraint.html#ae16dd80aa217fb56c0862af5478afe01">description</a> () const =0</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns a description of the <a class="el" href="classTCLAP_1_1Constraint.html" title="The interface that defines the interaction between the Arg and Constraint.">Constraint</a>.  <a href="#ae16dd80aa217fb56c0862af5478afe01"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual std::string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTCLAP_1_1Constraint.html#a39f707895311da682439810a0bec4a5f">shortID</a> () const =0</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns the short ID for the <a class="el" href="classTCLAP_1_1Constraint.html" title="The interface that defines the interaction between the Arg and Constraint.">Constraint</a>.  <a href="#a39f707895311da682439810a0bec4a5f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTCLAP_1_1Constraint.html#a773c3e16d0150523c1c92b7b24868c34">check</a> (const T &amp;value) const =0</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">The method used to verify that the value parsed from the command line meets the constraint.  <a href="#a773c3e16d0150523c1c92b7b24868c34"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classTCLAP_1_1Constraint.html#ae96bbe5301e9517b68b1597b36098224">~Constraint</a> ()</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Destructor.  <a href="#ae96bbe5301e9517b68b1597b36098224"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<h3>template&lt;class T&gt;<br/>
 class TCLAP::Constraint&lt; T &gt;</h3>

<p>The interface that defines the interaction between the <a class="el" href="classTCLAP_1_1Arg.html" title="A virtual base class that defines the essential data for all arguments.">Arg</a> and <a class="el" href="classTCLAP_1_1Constraint.html" title="The interface that defines the interaction between the Arg and Constraint.">Constraint</a>. </p>

<p>Definition at line <a class="el" href="Constraint_8h_source.html#l00038">38</a> of file <a class="el" href="Constraint_8h_source.html">Constraint.h</a>.</p>
<hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="ae96bbe5301e9517b68b1597b36098224"></a><!-- doxytag: member="TCLAP::Constraint::~Constraint" ref="ae96bbe5301e9517b68b1597b36098224" args="()" -->
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template&lt;class T&gt; </div>
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          <td class="memname">virtual <a class="el" href="classTCLAP_1_1Constraint.html">TCLAP::Constraint</a>&lt; T &gt;::~<a class="el" href="classTCLAP_1_1Constraint.html">Constraint</a> </td>
          <td>(</td>
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          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline, virtual]</code></td>
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<p>Destructor. </p>
<p>Silences warnings about <a class="el" href="classTCLAP_1_1Constraint.html" title="The interface that defines the interaction between the Arg and Constraint.">Constraint</a> being a base class with virtual functions but without a virtual destructor. </p>

<p>Definition at line <a class="el" href="Constraint_8h_source.html#l00064">64</a> of file <a class="el" href="Constraint_8h_source.html">Constraint.h</a>.</p>

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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a773c3e16d0150523c1c92b7b24868c34"></a><!-- doxytag: member="TCLAP::Constraint::check" ref="a773c3e16d0150523c1c92b7b24868c34" args="(const T &amp;value) const =0" -->
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template&lt;class T&gt; </div>
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          <td class="memname">virtual bool <a class="el" href="classTCLAP_1_1Constraint.html">TCLAP::Constraint</a>&lt; T &gt;::check </td>
          <td>(</td>
          <td class="paramtype">const T &amp;&nbsp;</td>
          <td class="paramname"> <em>value</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td> const<code> [pure virtual]</code></td>
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<p>The method used to verify that the value parsed from the command line meets the constraint. </p>
<dl><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>- The value that will be checked. </td></tr>
  </table>
  </dd>
</dl>

<p>Implemented in <a class="el" href="classTCLAP_1_1ValuesConstraint.html#ae132b185413cf5dea5cc040f60e7ede6">TCLAP::ValuesConstraint&lt; T &gt;</a>.</p>

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<a class="anchor" id="ae16dd80aa217fb56c0862af5478afe01"></a><!-- doxytag: member="TCLAP::Constraint::description" ref="ae16dd80aa217fb56c0862af5478afe01" args="() const =0" -->
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template&lt;class T&gt; </div>
      <table class="memname">
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          <td class="memname">virtual std::string <a class="el" href="classTCLAP_1_1Constraint.html">TCLAP::Constraint</a>&lt; T &gt;::description </td>
          <td>(</td>
          <td class="paramname"></td>
          <td>&nbsp;)&nbsp;</td>
          <td> const<code> [pure virtual]</code></td>
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<p>Returns a description of the <a class="el" href="classTCLAP_1_1Constraint.html" title="The interface that defines the interaction between the Arg and Constraint.">Constraint</a>. </p>

<p>Implemented in <a class="el" href="classTCLAP_1_1ValuesConstraint.html#a07b08c05a7bfcbe5815895353ffef1d5">TCLAP::ValuesConstraint&lt; T &gt;</a>.</p>

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<a class="anchor" id="a39f707895311da682439810a0bec4a5f"></a><!-- doxytag: member="TCLAP::Constraint::shortID" ref="a39f707895311da682439810a0bec4a5f" args="() const =0" -->
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          <td class="memname">virtual std::string <a class="el" href="classTCLAP_1_1Constraint.html">TCLAP::Constraint</a>&lt; T &gt;::shortID </td>
          <td>(</td>
          <td class="paramname"></td>
          <td>&nbsp;)&nbsp;</td>
          <td> const<code> [pure virtual]</code></td>
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<p>Returns the short ID for the <a class="el" href="classTCLAP_1_1Constraint.html" title="The interface that defines the interaction between the Arg and Constraint.">Constraint</a>. </p>

<p>Implemented in <a class="el" href="classTCLAP_1_1ValuesConstraint.html#a1bbe12afcb1f185ee7ac808d69e2d345">TCLAP::ValuesConstraint&lt; T &gt;</a>.</p>

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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="Constraint_8h_source.html">Constraint.h</a></li>
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