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| <a name="range.reference.adaptors.reference.replaced"></a><a class="link" href="replaced.html" title="replaced"> replaced</a> |
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| <div class="informaltable"><table class="table"> |
| <colgroup> |
| <col> |
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| </colgroup> |
| <thead><tr> |
| <th> |
| <p> |
| Syntax |
| </p> |
| </th> |
| <th> |
| <p> |
| Code |
| </p> |
| </th> |
| </tr></thead> |
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| <td> |
| <p> |
| Pipe |
| </p> |
| </td> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">rng</span> <span class="special">|</span> |
| <span class="identifier">boost</span><span class="special">::</span><span class="identifier">adaptors</span><span class="special">::</span><span class="identifier">replaced</span><span class="special">(</span><span class="identifier">new_value</span><span class="special">,</span> |
| <span class="identifier">old_value</span><span class="special">)</span></code> |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| Function |
| </p> |
| </td> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">adaptors</span><span class="special">::</span><span class="identifier">replace</span><span class="special">(</span><span class="identifier">rng</span><span class="special">,</span> |
| <span class="identifier">new_value</span><span class="special">,</span> |
| <span class="identifier">old_value</span><span class="special">)</span></code> |
| </p> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| <span class="bold"><strong>Precondition:</strong></span> |
| <div class="itemizedlist"><ul class="itemizedlist" type="circle"> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">new_value</span></code> is |
| convertible to the <code class="computeroutput"><span class="identifier">value_type</span></code> |
| of the range. |
| </li> |
| <li class="listitem"> |
| <code class="computeroutput"><span class="identifier">old_value</span></code> is |
| convertible to the <code class="computeroutput"><span class="identifier">value_type</span></code> |
| of the range. |
| </li> |
| </ul></div> |
| </li> |
| <li class="listitem"> |
| <span class="bold"><strong>Postcondition:</strong></span> For all elements |
| <code class="computeroutput"><span class="identifier">x</span></code> in the returned |
| range, the value <code class="computeroutput"><span class="identifier">x</span></code> |
| is equal to the value of <code class="computeroutput"><span class="special">(</span><span class="identifier">y</span> <span class="special">==</span> |
| <span class="identifier">old_value</span><span class="special">)</span> |
| <span class="special">?</span> <span class="identifier">new_value</span> |
| <span class="special">:</span> <span class="identifier">y</span></code> |
| where <code class="computeroutput"><span class="identifier">y</span></code> is the corresponding |
| element in the original range. |
| </li> |
| <li class="listitem"> |
| <span class="bold"><strong>Range Category:</strong></span> <a class="link" href="../../../concepts/forward_range.html" title="Forward Range">Forward |
| Range</a> |
| </li> |
| <li class="listitem"> |
| <span class="bold"><strong>Returned Range Category:</strong></span> The range |
| category of <code class="computeroutput"><span class="identifier">rng</span></code>. |
| </li> |
| </ul></div> |
| <div class="section"> |
| <div class="titlepage"><div><div><h6 class="title"> |
| <a name="range.reference.adaptors.reference.replaced.replaced_example"></a><a class="link" href="replaced.html#range.reference.adaptors.reference.replaced.replaced_example" title="replaced example"> |
| replaced example</a> |
| </h6></div></div></div> |
| <p> |
| |
| </p> |
| <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">range</span><span class="special">/</span><span class="identifier">adaptor</span><span class="special">/</span><span class="identifier">replaced</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">range</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">copy</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">assign</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">algorithm</span><span class="special">></span> |
| <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span> |
| <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">vector</span><span class="special">></span> |
| |
| <span class="keyword">int</span> <span class="identifier">main</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">argc</span><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">argv</span><span class="special">[])</span> |
| <span class="special">{</span> |
| <span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">adaptors</span><span class="special">;</span> |
| <span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">assign</span><span class="special">;</span> |
| |
| <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">input</span><span class="special">;</span> |
| <span class="identifier">input</span> <span class="special">+=</span> <span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">5</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">7</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">9</span><span class="special">;</span> |
| |
| <span class="identifier">boost</span><span class="special">::</span><span class="identifier">copy</span><span class="special">(</span> |
| <span class="identifier">input</span> <span class="special">|</span> <span class="identifier">replaced</span><span class="special">(</span><span class="number">2</span><span class="special">,</span> <span class="number">10</span><span class="special">),</span> |
| <span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream_iterator</span><span class="special"><</span><span class="keyword">int</span><span class="special">>(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span><span class="special">,</span> <span class="string">","</span><span class="special">));</span> |
| |
| <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span> |
| <span class="special">}</span> |
| </pre> |
| <p> |
| </p> |
| </div> |
| <p> |
| This would produce the output: |
| </p> |
| <pre class="programlisting"><span class="number">1</span><span class="special">,</span><span class="number">10</span><span class="special">,</span><span class="number">3</span><span class="special">,</span><span class="number">10</span><span class="special">,</span><span class="number">5</span><span class="special">,</span><span class="number">10</span><span class="special">,</span><span class="number">7</span><span class="special">,</span><span class="number">10</span><span class="special">,</span><span class="number">9</span> |
| </pre> |
| <p> |
| </p> |
| </div> |
| <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> |
| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 2003 -2010 Thorsten Ottosen, Neil Groves<p> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 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>) |
| </p> |
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