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  27 <a name="boost.process.basic_native_environment.const_entry_type"></a><div class="titlepage"></div>
  28 <div class="refnamediv">
  29 <h2><span class="refentrytitle">Struct template const_entry_type</span></h2>
  30 <p>boost::process::basic_native_environment::const_entry_type</p>
  31 </div>
  32 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  33 <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../process/reference.html#header.boost.process.environment_hpp" title="Header &lt;boost/process/environment.hpp&gt;">boost/process/environment.hpp</a>&gt;
  34
  35 </span>
  36 <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Char<span class="special">,</span> <span class="keyword">typename</span> Environment<span class="special">&gt;</span>
  37 <span class="keyword">struct</span> <a class="link" href="const_entry_type.html" title="Struct template const_entry_type">const_entry_type</a> <span class="special">{</span>
  38   <span class="comment">// types</span>
  39   <span class="keyword">typedef</span> <span class="identifier">Char</span>                             <a name="boost.process.basic_native_environment.const_entry_type.value_type"></a><span class="identifier">value_type</span><span class="special">;</span>
  40   <span class="keyword">typedef</span> <span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">*</span>               <a name="boost.process.basic_native_environment.const_entry_type.pointer"></a><span class="identifier">pointer</span><span class="special">;</span>
  41   <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">value_type</span> <span class="special">&gt;</span>  <a name="boost.process.basic_native_environment.const_entry_type.string_type"></a><span class="identifier">string_type</span><span class="special">;</span>
  42   <span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">iterator_range</span><span class="special">&lt;</span> <span class="identifier">pointer</span> <span class="special">&gt;</span> <a name="boost.process.basic_native_environment.const_entry_type.range"></a><span class="identifier">range</span><span class="special">;</span>
  43   <span class="keyword">typedef</span> <span class="identifier">Environment</span>                      <a name="boost.process.basic_native_environment.const_entry_type.environment_t"></a><span class="identifier">environment_t</span><span class="special">;</span>
  44
  45   <span class="comment">// <a class="link" href="const_entry_type.html#boost.process.basic_native_environment.const_entry_typeconstruct-copy-destruct">construct/copy/destruct</a></span>
  46   <span class="identifier">const_entry</span> <span class="special">&amp;</span> <a class="link" href="const_entry_type.html#idm45170605035856-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">const_entry</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
  47
  48   <span class="comment">// <a class="link" href="const_entry_type.html#idm45170605041856-bb">public member functions</a></span>
  49   <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span> <span class="identifier">string_type</span> <span class="special">&gt;</span> <a class="link" href="const_entry_type.html#idm45170605041296-bb"><span class="identifier">to_vector</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  50    <a class="link" href="const_entry_type.html#idm45170605039376-bb"><span class="identifier">const_entry</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">const_entry</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
  51   <span class="keyword">bool</span> <a class="link" href="const_entry_type.html#idm45170605037440-bb"><span class="identifier">empty</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  52 <span class="special">}</span><span class="special">;</span></pre></div>
  53 <div class="refsect1">
  54 <a name="id-1.3.31.9.9.4.4.5.4"></a><h2>Description</h2>
  55 <p>Proxy class used for read access to members by [] or .at() </p>
  56 <div class="note"><table border="0" summary="Note">
  57 <tr>
  58 <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../../doc/src/images/note.png"></td>
  59 <th align="left">Note</th>
  60 </tr>
  61 <tr><td align="left" valign="top"><p>Holds a reference to the environment it was created from. </p></td></tr>
  62 </table></div>
  63 <p>
  64 </p>
  65 <div class="refsect2">
  66 <a name="id-1.3.31.9.9.4.4.5.4.3"></a><h3>
  67 <a name="boost.process.basic_native_environment.const_entry_typeconstruct-copy-destruct"></a><code class="computeroutput">const_entry_type</code>
  68         public
  69        construct/copy/destruct</h3>
  70 <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
  71 <pre class="literallayout"><span class="identifier">const_entry</span> <span class="special">&amp;</span> <a name="idm45170605035856-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">const_entry</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre>Move Constructor. </li></ol></div>
  72 </div>
  73 <div class="refsect2">
  74 <a name="id-1.3.31.9.9.4.4.5.4.4"></a><h3>
  75 <a name="idm45170605041856-bb"></a><code class="computeroutput">const_entry_type</code> public member functions</h3>
  76 <div class="orderedlist"><ol class="orderedlist" type="1">
  77 <li class="listitem">
  78 <pre class="literallayout"><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span> <span class="identifier">string_type</span> <span class="special">&gt;</span> <a name="idm45170605041296-bb"></a><span class="identifier">to_vector</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Split the entry by ";" or ":" and return it as a vector. Used by PATH. <p>Get the value as string. Get the name of this entry. </p>
  79 </li>
  80 <li class="listitem">
  81 <pre class="literallayout"> <a name="idm45170605039376-bb"></a><span class="identifier">const_entry</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">const_entry</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre>Copy Constructor. </li>
  82 <li class="listitem">
  83 <pre class="literallayout"><span class="keyword">bool</span> <a name="idm45170605037440-bb"></a><span class="identifier">empty</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Check if the entry is empty. </li>
  84 </ol></div>
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  91       Felipe Tanus, Jeff Flinn, Boris Schaeling<br>Copyright &#169; 2016 Klemens D. Morgenstern<p>
  92         Distributed under the Boost Software License, Version 1.0. (See accompanying
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