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POBoost Multi-Index with hashed_unique_index produces compiler error
 

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  1. POBoost Multi-Index with hashed_unique_index produces compiler error
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    <p>I learned in <a href="https://stackoverflow.com/questions/1701022/boost-multi-index-composite-key-of-vector-and-int-for-hashed-indices">THIS THREAD</a> how a <code>hashed_unique&lt;&gt;</code> index can be used with a <code>composite_key</code> using an int and a <code>std::vector&lt;int&gt;</code>. But unfortunately the following code produces quite an error message: </p> <p><code>1&gt; boost/multi_index/hashed_index.hpp(439) : error C2784: 'size_t .. composite_key_hash&lt;...&gt;::operator ()(const boost::tuples::tuple&lt;...&gt; &amp;) const' :</code><strong>could not deduce template argument</strong><code>for 'const boost::tuples::tuple&lt;...&gt; &amp;' from 'const unique_property'</code> </p> <p>Here the code, does anyone know whats wrong? :-?</p> <pre><code> #include &lt;boost/multi_index_container.hpp&gt; #include &lt;boost/multi_index/hashed_index.hpp&gt; #include &lt;boost/multi_index/random_access_index.hpp&gt; #include &lt;boost/multi_index/mem_fun.hpp&gt; #include &lt;boost/multi_index/composite_key.hpp&gt; #include &lt;vector&gt; using boost::multi_index_container; using namespace boost::multi_index; class unique_property { private: int my_value; //the pair of int and std::vector&lt;int&gt; shall be unique int my_int; std::vector&lt;int&gt; my_vec; public: //stupid ctor (my_values are unique as well, but thats not the point here) unique_property(int input_value) : my_value(input_value), my_int(10), my_vec(my_int,my_value) {} int get_int() const {return my_int;} const std::vector&lt;int&gt; &amp; get_vec() const {return my_vec;} }; struct hugo{}; typedef multi_index_container&lt; unique_property, indexed_by&lt; hashed_unique&lt; tag&lt;hugo&gt; ,// indexed by my_int and every entry of my_vec composite_key&lt; unique_property, const_mem_fun&lt;unique_property,int,&amp;unique_property::get_int &gt;, const_mem_fun&lt;unique_property, const std::vector&lt;int&gt; &amp;,&amp;unique_property::get_vec &gt; &gt; &gt;, random_access&lt; &gt; &gt; &gt; property_locator; // for brevity typedef property_locator::index&lt;hugo&gt;::type ProbLocByHugo; void dummy_test() { property_locator local_data_structure; unique_property tempy(5); ProbLocByHugo::iterator pos = local_data_structure.get&lt;hugo&gt;().find(tempy); //if (pos == local_data_structure.get&lt;hugo&gt;().end() ) // local_data_structure.insert(tempy); //else //{ // local_data_structure.get&lt;hugo&gt;().replace(pos,tempy); //} } </code></pre> <p>The complete error messages are: </p> <pre><code> 1&gt;------ Build started: Project: buggy, Configuration: Debug Win32 ------ 1&gt;Compiling... 1&gt;c:\myPath\boost_1_37_0\include\boost-1_37\boost\multi_index\hashed_index.hpp(439) : error C2784: 'size_t boost::multi_index::composite_key_hash&lt;Hash0,Hash1,Hash2,Hash3,Hash4,Hash5,Hash6,Hash7,Hash8,Hash9&gt;::operator ()(const boost::tuples::tuple&lt;Value0,Value1,Value2,Value3,Value4,Value5,Value6,Value7,Value8,Value9&gt; &amp;) const' : could not deduce template argument for 'const boost::tuples::tuple&lt;Value0,Value1,Value2,Value3,Value4,Value5,Value6,Value7,Value8,Value9&gt; &amp;' from 'const unique_property' 1&gt; with 1&gt; [ 1&gt; Hash0=boost::hash&lt;int&gt;, 1&gt; Hash1=boost::hash&lt;const std::vector&lt;int&gt;&gt;, 1&gt; Hash2=boost::tuples::null_type, 1&gt; Hash3=boost::tuples::null_type, 1&gt; Hash4=boost::tuples::null_type, 1&gt; Hash5=boost::tuples::null_type, 1&gt; Hash6=boost::tuples::null_type, 1&gt; Hash7=boost::tuples::null_type, 1&gt; Hash8=boost::tuples::null_type, 1&gt; Hash9=boost::tuples::null_type 1&gt; ] 1&gt; c:\myPath\boost_1_37_0\include\boost-1_37\boost\multi_index\composite_key.hpp(1099) : see declaration of 'boost::multi_index::composite_key_hash&lt;Hash0,Hash1,Hash2,Hash3,Hash4,Hash5,Hash6,Hash7,Hash8,Hash9&gt;::operator ()' 1&gt; with 1&gt; [ 1&gt; Hash0=boost::hash&lt;int&gt;, 1&gt; Hash1=boost::hash&lt;const std::vector&lt;int&gt;&gt;, 1&gt; Hash2=boost::tuples::null_type, 1&gt; Hash3=boost::tuples::null_type, 1&gt; Hash4=boost::tuples::null_type, 1&gt; Hash5=boost::tuples::null_type, 1&gt; Hash6=boost::tuples::null_type, 1&gt; Hash7=boost::tuples::null_type, 1&gt; Hash8=boost::tuples::null_type, 1&gt; Hash9=boost::tuples::null_type 1&gt; ] 1&gt; c:\myPath\boost_1_37_0\include\boost-1_37\boost\multi_index\hashed_index.hpp(429) : see reference to function template instantiation 'boost::multi_index::detail::hashed_index_iterator&lt;Node,BucketArray&gt; boost::multi_index::detail::hashed_index&lt;KeyFromValue,Hash,Pred,SuperMeta,TagList,Category&gt;::find&lt;CompatibleKey,boost::hash&lt;T&gt;,std::equal_to&lt;_Ty&gt;&gt;(const CompatibleKey &amp;,const CompatibleHash &amp;,const CompatiblePred &amp;) const' being compiled 1&gt; with 1&gt; [ 1&gt; Node=boost::multi_index::detail::hashed_index_node&lt;boost::multi_index::detail::random_access_index_node&lt;boost::multi_index::detail::index_node_base&lt;unique_property,std::allocator&lt;unique_property&gt;&gt;&gt;&gt;, 1&gt; BucketArray=boost::multi_index::detail::bucket_array&lt;std::allocator&lt;unique_property&gt;&gt;, 1&gt; KeyFromValue=boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;, 1&gt; Hash=boost::hash&lt;boost::multi_index::composite_key_result&lt;boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;&gt;&gt;, 1&gt; Pred=std::equal_to&lt;boost::multi_index::composite_key_result&lt;boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;&gt;&gt;, 1&gt; SuperMeta=boost::multi_index::detail::nth_layer&lt;1,unique_property,boost::multi_index::indexed_by&lt;boost::multi_index::hashed_unique&lt;boost::multi_index::tag&lt;hugo&gt;,boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;&gt;,boost::multi_index::random_access&lt;&gt;&gt;,std::allocator&lt;unique_property&gt;&gt;, 1&gt; TagList=boost::mpl::vector1&lt;hugo&gt;, 1&gt; Category=boost::multi_index::detail::hashed_unique_tag, 1&gt; CompatibleKey=unique_property, 1&gt; T=boost::multi_index::composite_key_result&lt;boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;&gt;, 1&gt; _Ty=boost::multi_index::composite_key_result&lt;boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;&gt;, 1&gt; CompatibleHash=boost::hash&lt;boost::multi_index::composite_key_result&lt;boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;&gt;&gt;, 1&gt; CompatiblePred=std::equal_to&lt;boost::multi_index::composite_key_result&lt;boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;&gt;&gt; 1&gt; ] 1&gt; c:\documents and settings\amenge.dedekind\desktop\ggt_test\mem_rw_test.cpp(886) : see reference to function template instantiation 'boost::multi_index::detail::hashed_index_iterator&lt;Node,BucketArray&gt; boost::multi_index::detail::hashed_index&lt;KeyFromValue,Hash,Pred,SuperMeta,TagList,Category&gt;::find&lt;unique_property&gt;(const CompatibleKey &amp;) const' being compiled 1&gt; with 1&gt; [ 1&gt; Node=boost::multi_index::detail::hashed_index_node&lt;boost::multi_index::detail::random_access_index_node&lt;boost::multi_index::detail::index_node_base&lt;unique_property,std::allocator&lt;unique_property&gt;&gt;&gt;&gt;, 1&gt; BucketArray=boost::multi_index::detail::bucket_array&lt;std::allocator&lt;unique_property&gt;&gt;, 1&gt; KeyFromValue=boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;, 1&gt; Hash=boost::hash&lt;boost::multi_index::composite_key_result&lt;boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;&gt;&gt;, 1&gt; Pred=std::equal_to&lt;boost::multi_index::composite_key_result&lt;boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;&gt;&gt;, 1&gt; SuperMeta=boost::multi_index::detail::nth_layer&lt;1,unique_property,boost::multi_index::indexed_by&lt;boost::multi_index::hashed_unique&lt;boost::multi_index::tag&lt;hugo&gt;,boost::multi_index::composite_key&lt;unique_property,boost::multi_index::const_mem_fun&lt;unique_property,int,unique_property::get_int&gt;,boost::multi_index::const_mem_fun&lt;unique_property,const std::vector&lt;int&gt; &amp;,unique_property::get_vec&gt;&gt;&gt;,boost::multi_index::random_access&lt;&gt;&gt;,std::allocator&lt;unique_property&gt;&gt;, 1&gt; TagList=boost::mpl::vector1&lt;hugo&gt;, 1&gt; Category=boost::multi_index::detail::hashed_unique_tag, 1&gt; CompatibleKey=unique_property 1&gt; ] 1&gt;c:\myPath\boost_1_37_0\include\boost-1_37\boost\multi_index\hashed_index.hpp(439) : error C2784: 'size_t boost::multi_index::composite_key_hash&lt;Hash0,Hash1,Hash2,Hash3,Hash4,Hash5,Hash6,Hash7,Hash8,Hash9&gt;::operator ()(const boost::multi_index::composite_key_result&lt;CompositeKey1&gt; &amp;) const' : could not deduce template argument for 'const boost::multi_index::composite_key_result&lt;CompositeKey1&gt; &amp;' from 'const unique_property' 1&gt; with 1&gt; [ 1&gt; Hash0=boost::hash&lt;int&gt;, 1&gt; Hash1=boost::hash&lt;const std::vector&lt;int&gt;&gt;, 1&gt; Hash2=boost::tuples::null_type, 1&gt; Hash3=boost::tuples::null_type, 1&gt; Hash4=boost::tuples::null_type, 1&gt; Hash5=boost::tuples::null_type, 1&gt; Hash6=boost::tuples::null_type, 1&gt; Hash7=boost::tuples::null_type, 1&gt; Hash8=boost::tuples::null_type, 1&gt; Hash9=boost::tuples::null_type 1&gt; ] 1&gt; c:\myPath\boost_1_37_0\include\boost-1_37\boost\multi_index\composite_key.hpp(1083) : see declaration of 'boost::multi_index::composite_key_hash&lt;Hash0,Hash1,Hash2,Hash3,Hash4,Hash5,Hash6,Hash7,Hash8,Hash9&gt;::operator ()' 1&gt; with 1&gt; [ 1&gt; Hash0=boost::hash&lt;int&gt;, 1&gt; Hash1=boost::hash&lt;const std::vector&lt;int&gt;&gt;, 1&gt; Hash2=boost::tuples::null_type, 1&gt; Hash3=boost::tuples::null_type, 1&gt; Hash4=boost::tuples::null_type, 1&gt; Hash5=boost::tuples::null_type, 1&gt; Hash6=boost::tuples::null_type, 1&gt; Hash7=boost::tuples::null_type, 1&gt; Hash8=boost::tuples::null_type, 1&gt; Hash9=boost::tuples::null_type 1&gt; ] 1&gt;c:\myPath\boost_1_37_0\include\boost-1_37\boost\multi_index\hashed_index.hpp(443) : error C2784: 'bool boost::multi_index::composite_key_equal_to&lt;Pred0,Pred1,Pred2,Pred3,Pred4,Pred5,Pred6,Pred7,Pred8,Pred9&gt;::operator ()(const boost::tuples::tuple&lt;Value0,Value1,Value2,Value3,Value4,Value5,Value6,Value7,Value8,Value9&gt; &amp;,const boost::multi_index::composite_key_result&lt;CompositeKey&gt; &amp;) const' : could not deduce template argument for 'const boost::tuples::tuple&lt;Value0,Value1,Value2,Value3,Value4,Value5,Value6,Value7,Value8,Value9&gt; &amp;' from 'const unique_property' 1&gt; with 1&gt; [ 1&gt; Pred0=std::equal_to&lt;int&gt;, 1&gt; Pred1=std::equal_to&lt;const std::vector&lt;int&gt;&gt;, 1&gt; Pred2=boost::tuples::null_type, 1&gt; Pred3=boost::tuples::null_type, 1&gt; Pred4=boost::tuples::null_type, 1&gt; Pred5=boost::tuples::null_type, 1&gt; Pred6=boost::tuples::null_type, 1&gt; Pred7=boost::tuples::null_type, 1&gt; Pred8=boost::tuples::null_type, 1&gt; Pred9=boost::tuples::null_type 1&gt; ] 1&gt; c:\myPath\boost_1_37_0\include\boost-1_37\boost\multi_index\composite_key.hpp(914) : see declaration of 'boost::multi_index::composite_key_equal_to&lt;Pred0,Pred1,Pred2,Pred3,Pred4,Pred5,Pred6,Pred7,Pred8,Pred9&gt;::operator ()' 1&gt; with 1&gt; [ 1&gt; Pred0=std::equal_to&lt;int&gt;, 1&gt; Pred1=std::equal_to&lt;const std::vector&lt;int&gt;&gt;, 1&gt; Pred2=boost::tuples::null_type, 1&gt; Pred3=boost::tuples::null_type, 1&gt; Pred4=boost::tuples::null_type, 1&gt; Pred5=boost::tuples::null_type, 1&gt; Pred6=boost::tuples::null_type, 1&gt; Pred7=boost::tuples::null_type, 1&gt; Pred8=boost::tuples::null_type, 1&gt; Pred9=boost::tuples::null_type 1&gt; ] 1&gt;c:\myPath\boost_1_37_0\include\boost-1_37\boost\multi_index\hashed_index.hpp(443) : error C2784: 'bool boost::multi_index::composite_key_equal_to&lt;Pred0,Pred1,Pred2,Pred3,Pred4,Pred5,Pred6,Pred7,Pred8,Pred9&gt;::operator ()(const boost::multi_index::composite_key_result&lt;CompositeKey1&gt; &amp;,const boost::tuples::tuple&lt;Value0,Value1,Value2,Value3,Value4,Value5,Value6,Value7,Value8,Value9&gt; &amp;) const' : could not deduce template argument for 'const boost::multi_index::composite_key_result&lt;CompositeKey1&gt; &amp;' from 'const unique_property' 1&gt; with 1&gt; [ 1&gt; Pred0=std::equal_to&lt;int&gt;, 1&gt; Pred1=std::equal_to&lt;const std::vector&lt;int&gt;&gt;, 1&gt; Pred2=boost::tuples::null_type, 1&gt; Pred3=boost::tuples::null_type, 1&gt; Pred4=boost::tuples::null_type, 1&gt; Pred5=boost::tuples::null_type, 1&gt; Pred6=boost::tuples::null_type, 1&gt; Pred7=boost::tuples::null_type, 1&gt; Pred8=boost::tuples::null_type, 1&gt; Pred9=boost::tuples::null_type 1&gt; ] 1&gt; c:\myPath\boost_1_37_0\include\boost-1_37\boost\multi_index\composite_key.hpp(889) : see declaration of 'boost::multi_index::composite_key_equal_to&lt;Pred0,Pred1,Pred2,Pred3,Pred4,Pred5,Pred6,Pred7,Pred8,Pred9&gt;::operator ()' 1&gt; with 1&gt; [ 1&gt; Pred0=std::equal_to&lt;int&gt;, 1&gt; Pred1=std::equal_to&lt;const std::vector&lt;int&gt;&gt;, 1&gt; Pred2=boost::tuples::null_type, 1&gt; Pred3=boost::tuples::null_type, 1&gt; Pred4=boost::tuples::null_type, 1&gt; Pred5=boost::tuples::null_type, 1&gt; Pred6=boost::tuples::null_type, 1&gt; Pred7=boost::tuples::null_type, 1&gt; Pred8=boost::tuples::null_type, 1&gt; Pred9=boost::tuples::null_type 1&gt; ] 1&gt;c:\myPath\boost_1_37_0\include\boost-1_37\boost\multi_index\hashed_index.hpp(443) : error C2784: 'bool boost::multi_index::composite_key_equal_to&lt;Pred0,Pred1,Pred2,Pred3,Pred4,Pred5,Pred6,Pred7,Pred8,Pred9&gt;::operator ()(const boost::multi_index::composite_key_result&lt;CompositeKey1&gt; &amp;,const boost::multi_index::composite_key_result&lt;CompositeKey2&gt; &amp;) const' : could not deduce template argument for 'const boost::multi_index::composite_key_result&lt;CompositeKey1&gt; &amp;' from 'const unique_property' 1&gt; with 1&gt; [ 1&gt; Pred0=std::equal_to&lt;int&gt;, 1&gt; Pred1=std::equal_to&lt;const std::vector&lt;int&gt;&gt;, 1&gt; Pred2=boost::tuples::null_type, 1&gt; Pred3=boost::tuples::null_type, 1&gt; Pred4=boost::tuples::null_type, 1&gt; Pred5=boost::tuples::null_type, 1&gt; Pred6=boost::tuples::null_type, 1&gt; Pred7=boost::tuples::null_type, 1&gt; Pred8=boost::tuples::null_type, 1&gt; Pred9=boost::tuples::null_type 1&gt; ] 1&gt; c:\myPath\boost_1_37_0\include\boost-1_37\boost\multi_index\composite_key.hpp(859) : see declaration of 'boost::multi_index::composite_key_equal_to&lt;Pred0,Pred1,Pred2,Pred3,Pred4,Pred5,Pred6,Pred7,Pred8,Pred9&gt;::operator ()' 1&gt; with 1&gt; [ 1&gt; Pred0=std::equal_to&lt;int&gt;, 1&gt; Pred1=std::equal_to&lt;const std::vector&lt;int&gt;&gt;, 1&gt; Pred2=boost::tuples::null_type, 1&gt; Pred3=boost::tuples::null_type, 1&gt; Pred4=boost::tuples::null_type, 1&gt; Pred5=boost::tuples::null_type, 1&gt; Pred6=boost::tuples::null_type, 1&gt; Pred7=boost::tuples::null_type, 1&gt; Pred8=boost::tuples::null_type, 1&gt; Pred9=boost::tuples::null_type 1&gt; ] </code></pre>
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    1. COCould you indicate in your code snippet which line produces the error exactly... not sure it'll help much but it would still be easier.
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      1. USMatthieu M.
    2. COAlso, could you give the full stack of error and the version of Boost you actually use ? The boost header has changed since.
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      1. POBoost Multi-Index with hashed_unique_index produces compiler error
      1. USMatthieu M.
    3. COHello an thank you for your suggestions. I added the complete error messages and changed the call a little (only one line is invoked after creation of objects). But I think that I forgot some kind of parameter or something like that.. As you'll see, I'm using boost version 1.37
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      1. POBoost Multi-Index with hashed_unique_index produces compiler error
      1. USDane
 

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