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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// bool_accumulate.h -*-c++-*-</span>
<a name="l00002"></a>00002 <span class="comment">//</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2005 Daniel Burrows</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#ifndef BOOL_ACCUMULATE</span>
<a name="l00006"></a>00006 <span class="preprocessor"></span><span class="preprocessor">#define BOOL_ACCUMULATE</span>
<a name="l00007"></a>00007 <span class="preprocessor"></span>
<a name="l00008"></a>00008 <span class="keyword">namespace </span>cwidget
<a name="l00009"></a>00009 {
<a name="l00010"></a><a class="code" href="namespacecwidget_1_1util.html">00010</a> <span class="keyword">namespace </span>util
<a name="l00011"></a>00011 {
<a name="l00015"></a><a class="code" href="structcwidget_1_1util_1_1accumulate__and.html">00015</a> <span class="keyword">struct </span><a class="code" href="structcwidget_1_1util_1_1accumulate__and.html" title="Computes the return-value of the signal via a short-circuiting AND.">accumulate_and</a>
<a name="l00016"></a>00016 {
<a name="l00017"></a>00017 <span class="keyword">typedef</span> <span class="keywordtype">bool</span> <a class="code" href="classbool.html">result_type</a>;
<a name="l00018"></a>00018 <span class="keyword">template</span><<span class="keyword">typename</span> T_iterator>
<a name="l00019"></a>00019 <a class="code" href="classbool.html">result_type</a> operator()(T_iterator first, T_iterator last)<span class="keyword"> const</span>
<a name="l00020"></a>00020 <span class="keyword"> </span>{
<a name="l00021"></a>00021 <span class="keywordflow">for</span>(; first!=last; ++first)
<a name="l00022"></a>00022 <span class="keywordflow">if</span>(!*first)
<a name="l00023"></a>00023 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00026"></a>00026 }
<a name="l00027"></a>00027 };
<a name="l00028"></a>00028
<a name="l00032"></a><a class="code" href="structcwidget_1_1util_1_1accumulate__or.html">00032</a> <span class="keyword">struct </span><a class="code" href="structcwidget_1_1util_1_1accumulate__or.html" title="Computes the return-value of the signal via a short-circuiting OR.">accumulate_or</a>
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 <span class="keyword">typedef</span> <span class="keywordtype">bool</span> <a class="code" href="classbool.html">result_type</a>;
<a name="l00035"></a>00035 <span class="keyword">template</span><<span class="keyword">typename</span> T_iterator>
<a name="l00036"></a>00036 <a class="code" href="classbool.html">result_type</a> operator()(T_iterator first, T_iterator last)<span class="keyword"> const</span>
<a name="l00037"></a>00037 <span class="keyword"> </span>{
<a name="l00038"></a>00038 <span class="keywordflow">for</span>(; first!=last; ++first)
<a name="l00039"></a>00039 <span class="keywordflow">if</span>(*first)
<a name="l00040"></a>00040 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044 };
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="preprocessor">#endif</span>
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