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| <div class="titlepage"><div><div><h5 class="title"> |
| <a name="fusion.sequence.operator.comparison.less_than"></a><a class="link" href="less_than.html" title="less than">less |
| than</a> |
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| <p> |
| Lexicographically compare two sequences. |
| </p> |
| <a name="fusion.sequence.operator.comparison.less_than.synopsis"></a><h6> |
| <a name="id904045"></a> |
| <a class="link" href="less_than.html#fusion.sequence.operator.comparison.less_than.synopsis">Synopsis</a> |
| </h6> |
| <pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Seq1</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Seq2</span><span class="special">></span> |
| <span class="keyword">bool</span> |
| <span class="keyword">operator</span><span class="special"><(</span><span class="identifier">Seq1</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">a</span><span class="special">,</span> <span class="identifier">Seq2</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">b</span><span class="special">);</span> |
| </pre> |
| <a name="fusion.sequence.operator.comparison.less_than.parameters"></a><h6> |
| <a name="id904154"></a> |
| <a class="link" href="less_than.html#fusion.sequence.operator.comparison.less_than.parameters">Parameters</a> |
| </h6> |
| <div class="informaltable"><table class="table"> |
| <colgroup> |
| <col> |
| <col> |
| <col> |
| </colgroup> |
| <thead><tr> |
| <th> |
| <p> |
| Parameter |
| </p> |
| </th> |
| <th> |
| <p> |
| Requirement |
| </p> |
| </th> |
| <th> |
| <p> |
| Description |
| </p> |
| </th> |
| </tr></thead> |
| <tbody><tr> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">a</span><span class="special">,</span> |
| <span class="identifier">b</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Instances of <a class="link" href="../../../sequence.html" title="Sequence">Sequence</a> |
| </p> |
| </td> |
| <td> |
| <p> |
| <a class="link" href="../../../sequence.html" title="Sequence">Sequence</a>(s) to compare |
| </p> |
| </td> |
| </tr></tbody> |
| </table></div> |
| <a name="fusion.sequence.operator.comparison.less_than.expression_semantics"></a><h6> |
| <a name="id904262"></a> |
| <a class="link" href="less_than.html#fusion.sequence.operator.comparison.less_than.expression_semantics">Expression |
| Semantics</a> |
| </h6> |
| <pre class="programlisting"><span class="identifier">a</span> <span class="special"><</span> <span class="identifier">b</span> |
| </pre> |
| <p> |
| <span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">bool</span></code> |
| </p> |
| <p> |
| <span class="bold"><strong>Requirements</strong></span>: |
| </p> |
| <p> |
| For each element, <code class="computeroutput"><span class="identifier">e1</span></code>, |
| in sequence <code class="computeroutput"><span class="identifier">a</span></code>, and for |
| each element, <code class="computeroutput"><span class="identifier">e2</span></code>, in |
| sequence <code class="computeroutput"><span class="identifier">b</span></code>, <code class="computeroutput"><span class="identifier">a</span> <span class="special"><</span> <span class="identifier">b</span></code> is a valid expression returning a |
| type that is convertible to bool. |
| </p> |
| <p> |
| An attempt to compare two Sequences of different lengths results in a |
| compile time error. |
| </p> |
| <p> |
| <span class="bold"><strong>Semantics</strong></span>: Returns the lexicographical |
| comparison of between <code class="computeroutput"><span class="identifier">a</span></code> |
| and <code class="computeroutput"><span class="identifier">b</span></code>. |
| </p> |
| <a name="fusion.sequence.operator.comparison.less_than.header"></a><h6> |
| <a name="id904393"></a> |
| <a class="link" href="less_than.html#fusion.sequence.operator.comparison.less_than.header">Header</a> |
| </h6> |
| <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">sequence</span><span class="special">/</span><span class="identifier">comparison</span><span class="special">/</span><span class="identifier">less</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> |
| <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">less</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> |
| </pre> |
| <a name="fusion.sequence.operator.comparison.less_than.example"></a><h6> |
| <a name="id904508"></a> |
| <a class="link" href="less_than.html#fusion.sequence.operator.comparison.less_than.example">Example</a> |
| </h6> |
| <pre class="programlisting"><a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">float</span><span class="special">></span> <span class="identifier">v1</span><span class="special">(</span><span class="number">4</span><span class="special">,</span> <span class="number">3.3f</span><span class="special">);</span> |
| <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">short</span><span class="special">,</span> <span class="keyword">float</span><span class="special">></span> <span class="identifier">v2</span><span class="special">(</span><span class="number">5</span><span class="special">,</span> <span class="number">3.3f</span><span class="special">);</span> |
| <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">long</span><span class="special">,</span> <span class="keyword">double</span><span class="special">></span> <span class="identifier">v3</span><span class="special">(</span><span class="number">5</span><span class="special">,</span> <span class="number">4.4</span><span class="special">);</span> |
| <span class="identifier">assert</span><span class="special">(</span><span class="identifier">v1</span> <span class="special"><</span> <span class="identifier">v2</span><span class="special">);</span> |
| <span class="identifier">assert</span><span class="special">(</span><span class="identifier">v2</span> <span class="special"><</span> <span class="identifier">v3</span><span class="special">);</span> |
| </pre> |
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| <td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias |
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| Distributed under the Boost Software License, Version 1.0. (See accompanying |
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