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  27 <a name="header.boost.algorithm.cxx17.reduce_hpp"></a>Header &lt;<a href="../../../../../../../../boost/algorithm/cxx17/reduce.hpp" target="_top">boost/algorithm/cxx17/reduce.hpp</a>&gt;</h3></div></div></div>
  28 <p>Combine the elements of a sequence into a single value. </p>
  29 <p>Marshall Clow </p>
  30 <p>
  31
  32 </p>
  33 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
  34   <span class="keyword">namespace</span> <span class="identifier">algorithm</span> <span class="special">{</span>
  35     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> InputIterator<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> BinaryOperation<span class="special">&gt;</span>
  36       <span class="identifier">T</span> <a name="boost.algorithm.reduce_idm44730856877936"></a><span class="identifier">reduce</span><span class="special">(</span><span class="identifier">InputIterator</span> first<span class="special">,</span> <span class="identifier">InputIterator</span> last<span class="special">,</span> <span class="identifier">T</span> init<span class="special">,</span>
  37                <span class="identifier">BinaryOperation</span> bOp<span class="special">)</span><span class="special">;</span>
  38     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> InputIterator<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">&gt;</span>
  39       <span class="identifier">T</span> <a name="boost.algorithm.reduce_idm44730856872368"></a><span class="identifier">reduce</span><span class="special">(</span><span class="identifier">InputIterator</span> first<span class="special">,</span> <span class="identifier">InputIterator</span> last<span class="special">,</span> <span class="identifier">T</span> init<span class="special">)</span><span class="special">;</span>
  40     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> InputIterator<span class="special">&gt;</span>
  41       <span class="identifier">std</span><span class="special">::</span><span class="identifier">iterator_traits</span><span class="special">&lt;</span> <span class="identifier">InputIterator</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value_type</span>
  42       <a name="boost.algorithm.reduce_idm44730856868048"></a><span class="identifier">reduce</span><span class="special">(</span><span class="identifier">InputIterator</span> first<span class="special">,</span> <span class="identifier">InputIterator</span> last<span class="special">)</span><span class="special">;</span>
  43     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Range<span class="special">&gt;</span>
  44       <span class="identifier">boost</span><span class="special">::</span><span class="identifier">range_value</span><span class="special">&lt;</span> <span class="identifier">Range</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <a name="boost.algorithm.reduce_idm44730856864944"></a><span class="identifier">reduce</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Range</span> <span class="special">&amp;</span> r<span class="special">)</span><span class="special">;</span>
  45     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Range<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="identifier">T</span> <a name="boost.algorithm.reduce_idm44730856862544"></a><span class="identifier">reduce</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Range</span> <span class="special">&amp;</span> r<span class="special">,</span> <span class="identifier">T</span> init<span class="special">)</span><span class="special">;</span>
  46     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Range<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> BinaryOperation<span class="special">&gt;</span>
  47       <span class="identifier">T</span> <a name="boost.algorithm.reduce_idm44730856858912"></a><span class="identifier">reduce</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Range</span> <span class="special">&amp;</span> r<span class="special">,</span> <span class="identifier">T</span> init<span class="special">,</span> <span class="identifier">BinaryOperation</span> bOp<span class="special">)</span><span class="special">;</span>
  48   <span class="special">}</span>
  49 <span class="special">}</span></pre>
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  53 <td align="right"><div class="copyright-footer">Copyright &#169; 2010-2012 Marshall Clow<p>
  54         Distributed under the Boost Software License, Version 1.0. (See accompanying
  55         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>)
  56       </p>
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