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| 26 | <a name="head_finder"></a><div class="titlepage"></div> |
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| 27 | <div class="refnamediv"> |
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| 28 | <h2><span class="refentrytitle">Function head_finder</span></h2> |
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| 29 | <p>boost::algorithm::head_finder — "Head" finder </p> |
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| 30 | </div> |
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| 31 | <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> |
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| 32 | <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"> |
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| 33 | <span class="type"><span class="emphasis"><em>unspecified</em></span></span> head_finder(<span class="bold"><strong>unsigned</strong></span> <span class="bold"><strong>int</strong></span> N);</pre></div> |
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| 34 | <div class="refsect1" lang="en"> |
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| 35 | <a name="id2759906"></a><h2>Description</h2> |
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| 36 | <p>Construct the <code class="computeroutput">head_finder</code> . The finder returns a head of a given input. The head is a prefix of a string up to n elements in size. If an input has less then n elements, whole input is considered a head. The result is given as an <code class="computeroutput">iterator_range</code> delimiting the match.</p> |
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| 37 | <p></p> |
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| 38 | <div class="variablelist"> |
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| 39 | <p class="title"><b>Parameters</b></p> |
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| 40 | <dl> |
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| 41 | <dt><span class="term">N</span></dt> |
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| 42 | <dd><p>The size of the head </p></dd> |
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| 43 | </dl> |
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| 44 | </div> |
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| 45 | <p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>: |
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| 46 | |
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| 47 | An instance of the <code class="computeroutput">head_finder</code> object </p> |
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| 52 | <td align="right"><small>Copyright © 2002-2004 Pavol Droba</small></td> |
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