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<title>erase_key</title>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.erase_key"></a><a class="link" href="erase_key.html" title="erase_key">erase_key</a>
</h5></div></div></div>
<h6>
<a name="fusion.algorithm.transformation.functions.erase_key.h0"></a>
            <span><a name="fusion.algorithm.transformation.functions.erase_key.description"></a></span><a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.description">Description</a>
          </h6>
<p>
            For an <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">associative</a>]
            <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward Sequence</a>
            <code class="computeroutput"><span class="identifier">seq</span></code>, returns a <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">associative</a>]
            <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward Sequence</a>
            containing all the elements of the original except those with a given
            key.
          </p>
<h6>
<a name="fusion.algorithm.transformation.functions.erase_key.h1"></a>
            <span><a name="fusion.algorithm.transformation.functions.erase_key.synposis"></a></span><a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.synposis">Synposis</a>
          </h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
    <span class="keyword">typename</span> <span class="identifier">Key</span><span class="special">,</span>
    <span class="keyword">typename</span> <span class="identifier">Sequence</span>
    <span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/erase_key.html" title="erase_key"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">erase_key</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">Key</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">erase_key</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="fusion.algorithm.transformation.functions.erase_key.t0"></a><p class="title"><b>Table&#160;1.75.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<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">seq</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
                      Sequence</a> and <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
                      Sequence</a>
                    </p>
                  </td>
<td>
                    <p>
                      Operation's argument
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">Key</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      Any type
                    </p>
                  </td>
<td>
                    <p>
                      Key to erase
                    </p>
                  </td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><h6>
<a name="fusion.algorithm.transformation.functions.erase_key.h2"></a>
            <span><a name="fusion.algorithm.transformation.functions.erase_key.expression_semantics"></a></span><a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.expression_semantics">Expression
            Semantics</a>
          </h6>
<pre class="programlisting"><a class="link" href="erase_key.html" title="erase_key"><code class="computeroutput"><span class="identifier">erase_key</span></code></a><span class="special">&lt;</span><span class="identifier">Key</span><span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">);</span>
</pre>
<p>
            <span class="bold"><strong>Return type</strong></span>: A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
            Sequence</a> and <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
            Sequence</a>.
          </p>
<p>
            <span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, containing
            all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
            except those with key <code class="computeroutput"><span class="identifier">Key</span></code>.
          </p>
<h6>
<a name="fusion.algorithm.transformation.functions.erase_key.h3"></a>
            <span><a name="fusion.algorithm.transformation.functions.erase_key.complexity"></a></span><a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.complexity">Complexity</a>
          </h6>
<p>
            Constant. Returns a view which is lazily evaluated.
          </p>
<h6>
<a name="fusion.algorithm.transformation.functions.erase_key.h4"></a>
            <span><a name="fusion.algorithm.transformation.functions.erase_key.header"></a></span><a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.header">Header</a>
          </h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">erase_key</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</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">erase_key</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<h6>
<a name="fusion.algorithm.transformation.functions.erase_key.h5"></a>
            <span><a name="fusion.algorithm.transformation.functions.erase_key.example"></a></span><a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.example">Example</a>
          </h6>
<pre class="programlisting"><span class="identifier">assert</span><span class="special">(</span><a class="link" href="erase_key.html" title="erase_key"><code class="computeroutput"><span class="identifier">erase_key</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;(</span><a class="link" href="../../../container/generation/functions/make_map.html" title="make_map"><code class="computeroutput"><span class="identifier">make_map</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">long</span><span class="special">&gt;(</span><span class="char">'a'</span><span class="special">,</span> <span class="char">'b'</span><span class="special">))</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_map.html" title="make_map"><code class="computeroutput"><span class="identifier">make_map</span></code></a><span class="special">&lt;</span><span class="keyword">long</span><span class="special">&gt;(</span><span class="char">'b'</span><span class="special">));</span>
</pre>
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        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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