...auch..I figure it out<br>..I was missing the top header #include &quot;boost/lambda/lambda.hpp&quot;...<br>Thanks again<br>Mn<br><br><div class="gmail_quote">On Thu, Apr 8, 2010 at 2:47 PM, Conoscenza Silente <span dir="ltr">&lt;<a href="mailto:abruzzoforteegentile@gmail.com">abruzzoforteegentile@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hi Steven<br>sorry to bother you again..but the code doesn&#39;t work...I didn&#39;t try it yesterday when you replied..sorrry for this!<br>
I read in the documentation that we need some short-circuiting for logical operators..<br>
<br><div class="gmail_quote"><div class="im">On Wed, Apr 7, 2010 at 5:22 PM, Steven Watanabe <span dir="ltr">&lt;<a href="mailto:watanabesj@gmail.com" target="_blank">watanabesj@gmail.com</a>&gt;</span> wrote:<br></div><div>
<div></div><div class="h5"><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
AMDG<div><div></div><div><br>
<br>
Conoscenza Silente wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
I am trying to use boost::lambda using logicat operator.<br>
I would like to use it in a STL �std::find_if call.<br>
<br>
What I receive is always the same error<br>
�error: no match for �operator==� in �boost::lambda::&lt;unnamed&gt;::_1 == 13�<br>
<br>
Do you know what I am doing wrong?<br>
Thanks<br>
AFG<br>
<br>
using namespace boost::assign;<br>
<br>
int main( int argc, char** argv ){<br>
<br>
 � �std::vector&lt; int &gt; v;<br>
 � �v += 12,13,14,15;<br>
<br>
 � �bool found_tmp = false;<br>
 � �boost::lambda::var_type&lt; bool &gt;::type found(<br>
 � �boost::lambda::var(found_tmp) );<br>
<br>
 � �std::find_if(<br>
 � � � �v.begin(),<br>
 � � � �v.end(),<br>
 � � � �(<br>
 � � � � � �found = ( boost::lambda::_1 == 13 ),<br>
 � � � � � �return found<br>
 � � � �) );<br>
}<br>
 �<br>
</blockquote>
<br></div></div>
Don&#39;t try to return found inside the lambda expression.<br>
<br>
Try<br>
<br>
bool found = std::find_if(v.begin(), v.end(), boost::lambda::_1 == 13) != v.end();<br>
<br>
In Christ,<br>
Steven Watanabe<br>
<br>
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</blockquote></div></div></div><br>
</blockquote></div><br>