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<title>Class template basic_option</title>
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<h2><span class="refentrytitle">Class template basic_option</span></h2>
<p>boost::program_options::basic_option &#8212; </p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="bold"><strong>template</strong></span>&lt;<span class="bold"><strong>typename</strong></span> charT&gt; 
<span class="bold"><strong>class</strong></span> basic_option {
<span class="bold"><strong>public</strong></span>:
  <span class="emphasis"><em>// <a href="basic_option.html#basic_optionconstruct-copy-destruct">construct/copy/destruct</a></em></span>
  <a href="basic_option.html#id1114467-bb">basic_option</a>();
  <a href="basic_option.html#id1042744-bb">basic_option</a>(<span class="bold"><strong>const</strong></span> std::string &amp;, <span class="bold"><strong>const</strong></span> std::vector&lt; std::string &gt; &amp;);

  <span class="emphasis"><em>// <a href="basic_option.html#id1004663-bb">public member functions</a></em></span>

  std::string string_key;
  int position_key;
  std::vector&lt; std::basic_string&lt; charT &gt; &gt; value;
  bool unregistered;
};</pre></div>
<div class="refsect1" lang="en">
<a name="id1252076"></a><h2>Description</h2>
<p>Option found in input source. Contains a key and a value. The key, in turn, can be a string (name of an option), or an integer (position in input source) -- in case no name is specified. The latter is only possible for command line. The template parameter specifies the type of char used for storing the option's value. </p>
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<a name="id1252087"></a><h3>
<a name="basic_optionconstruct-copy-destruct"></a><code class="computeroutput">basic_option</code> construct/copy/destruct</h3>
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<li><pre class="literallayout"><a name="id1114467-bb"></a>basic_option();</pre></li>
<li><pre class="literallayout"><a name="id1042744-bb"></a>basic_option(<span class="bold"><strong>const</strong></span> std::string &amp; string_key, 
             <span class="bold"><strong>const</strong></span> std::vector&lt; std::string &gt; &amp; value);</pre></li>
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<a name="id1252147"></a><h3>
<a name="id1004663-bb"></a><code class="computeroutput">basic_option</code> public member functions</h3>
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