1>------ Build started: Project: Project1, Configuration: Debug Win32 ------
1>  Source.cpp
1>c:\lib\boost_1_60_0\boost\variant\variant.hpp(1540): error C2665: 'boost::detail::variant::make_initializer_node::apply<T1,T2>::initializer_node::initialize': none of the 3 overloads could convert all the argument types
1>          with
1>          [
1>              T1=boost::mpl::pair<boost::detail::variant::initializer_root,boost::mpl::int_<0>>,
1>              T2=boost::mpl::l_iter<boost::mpl::list1<int>>
1>          ]
1>  c:\lib\boost_1_60_0\boost\variant\detail\initializer.hpp(115): note: could be 'int boost::detail::variant::make_initializer_node::apply<T1,T2>::initializer_node::initialize(void *,int &&)'
1>          with
1>          [
1>              T1=boost::mpl::pair<boost::detail::variant::initializer_root,boost::mpl::int_<0>>,
1>              T2=boost::mpl::l_iter<boost::mpl::list1<int>>
1>          ]
1>  c:\lib\boost_1_60_0\boost\variant\detail\initializer.hpp(104): note: or       'int boost::detail::variant::make_initializer_node::apply<T1,T2>::initializer_node::initialize(void *,const int &)'
1>          with
1>          [
1>              T1=boost::mpl::pair<boost::detail::variant::initializer_root,boost::mpl::int_<0>>,
1>              T2=boost::mpl::l_iter<boost::mpl::list1<int>>
1>          ]
1>  c:\lib\boost_1_60_0\boost\variant\variant.hpp(1540): note: while trying to match the argument list '(void *, std::tuple<const foo &>)'
1>  c:\lib\boost_1_60_0\boost\variant\variant.hpp(1692): note: see reference to function template instantiation 'void boost::variant<int,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_>::convert_construct<T>(T &,int,boost::mpl::false_)' being compiled
1>          with
1>          [
1>              T=std::tuple<const foo &>
1>          ]
1>  c:\lib\boost_1_60_0\boost\variant\variant.hpp(1692): note: see reference to function template instantiation 'void boost::variant<int,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_>::convert_construct<T>(T &,int,boost::mpl::false_)' being compiled
1>          with
1>          [
1>              T=std::tuple<const foo &>
1>          ]
1>  c:\program files (x86)\microsoft visual studio 14.0\vc\include\tuple(142): note: see reference to function template instantiation 'boost::variant<int,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_>::variant<std::tuple<const foo &>>(T &)' being compiled
1>          with
1>          [
1>              T=std::tuple<const foo &>
1>          ]
1>  c:\program files (x86)\microsoft visual studio 14.0\vc\include\tuple(141): note: see reference to function template instantiation 'boost::variant<int,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_,boost::detail::variant::void_>::variant<std::tuple<const foo &>>(T &)' being compiled
1>          with
1>          [
1>              T=std::tuple<const foo &>
1>          ]
1>  c:\program files (x86)\microsoft visual studio 14.0\vc\include\tuple(475): note: see reference to function template instantiation 'std::_Tuple_val<_This>::_Tuple_val<std::tuple<const foo &>&>(_Other)' being compiled
1>          with
1>          [
1>              _This=const foo &,
1>              _Other=std::tuple<const foo &> &
1>          ]
1>  c:\program files (x86)\microsoft visual studio 14.0\vc\include\tuple(474): note: see reference to function template instantiation 'std::_Tuple_val<_This>::_Tuple_val<std::tuple<const foo &>&>(_Other)' being compiled
1>          with
1>          [
1>              _This=const foo &,
1>              _Other=std::tuple<const foo &> &
1>          ]
1>  c:\lib\boost_1_60_0\boost\signals2\detail\variadic_slot_invoker.hpp(90): note: see reference to function template instantiation 'std::tuple<const foo &>::tuple<std::tuple<const foo &>&,,0>(_This2)' being compiled
1>          with
1>          [
1>              _This2=std::tuple<const foo &> &
1>          ]
1>  c:\lib\boost_1_60_0\boost\signals2\detail\variadic_slot_invoker.hpp(90): note: see reference to function template instantiation 'std::tuple<const foo &>::tuple<std::tuple<const foo &>&,,0>(_This2)' being compiled
1>          with
1>          [
1>              _This2=std::tuple<const foo &> &
1>          ]
1>  c:\lib\boost_1_60_0\boost\signals2\detail\variadic_slot_invoker.hpp(134): note: see reference to function template instantiation 'R boost::signals2::detail::call_with_tuple_args<R>::operator ()<boost::function<Signature>,const foo&,1>(Func &,std::tuple<const foo &>,boost::mpl::size_t<1>) const' being compiled
1>          with
1>          [
1>              R=boost::signals2::detail::void_type,
1>              Signature=void (const foo &),
1>              Func=boost::function<void (const foo &)>
1>          ]
1>  c:\lib\boost_1_60_0\boost\signals2\detail\variadic_slot_invoker.hpp(133): note: see reference to function template instantiation 'R boost::signals2::detail::call_with_tuple_args<R>::operator ()<boost::function<Signature>,const foo&,1>(Func &,std::tuple<const foo &>,boost::mpl::size_t<1>) const' being compiled
1>          with
1>          [
1>              R=boost::signals2::detail::void_type,
1>              Signature=void (const foo &),
1>              Func=boost::function<void (const foo &)>
1>          ]
1>  c:\lib\boost_1_60_0\boost\signals2\detail\slot_call_iterator.hpp(109): note: see reference to function template instantiation 'boost::signals2::detail::void_type boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type,const foo &>::operator ()<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,boost::optional<Group>>,boost::signals2::slot<R (const foo &),boost::function<Signature>>,Mutex>>>(const ConnectionBodyType &) const' being compiled
1>          with
1>          [
1>              Group=int,
1>              R=void,
1>              Signature=void (const foo &),
1>              Mutex=boost::signals2::mutex,
1>              ConnectionBodyType=boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,boost::optional<int>>,boost::signals2::slot<void (const foo &),boost::function<void (const foo &)>>,boost::signals2::mutex>>
1>          ]
1>  c:\lib\boost_1_60_0\boost\signals2\detail\slot_call_iterator.hpp(109): note: see reference to function template instantiation 'boost::signals2::detail::void_type boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type,const foo &>::operator ()<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,boost::optional<Group>>,boost::signals2::slot<R (const foo &),boost::function<Signature>>,Mutex>>>(const ConnectionBodyType &) const' being compiled
1>          with
1>          [
1>              Group=int,
1>              R=void,
1>              Signature=void (const foo &),
1>              Mutex=boost::signals2::mutex,
1>              ConnectionBodyType=boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,boost::optional<int>>,boost::signals2::slot<void (const foo &),boost::function<void (const foo &)>>,boost::signals2::mutex>>
1>          ]
1>  c:\lib\boost_1_60_0\boost\signals2\detail\slot_call_iterator.hpp(105): note: while compiling class template member function 'boost::signals2::detail::void_type &boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type,const foo &>,std::_List_iterator<std::_List_val<std::_List_simple_types<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,boost::optional<Group>>,boost::signals2::slot<R (const foo &),boost::function<Signature>>,Mutex>>>>>,boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,boost::optional<Group>>,boost::signals2::slot<Signature,boost::function<Signature>>,Mutex>>::dereference(void) const'
1>          with
1>          [
1>              Group=int,
1>              R=void,
1>              Signature=void (const foo &),
1>              Mutex=boost::signals2::mutex
1>          ]
1>  c:\lib\boost_1_60_0\boost\iterator\iterator_facade.hpp(549): note: see reference to function template instantiation 'boost::signals2::detail::void_type &boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type,const foo &>,std::_List_iterator<std::_List_val<std::_List_simple_types<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,boost::optional<Group>>,boost::signals2::slot<R (const foo &),boost::function<Signature>>,Mutex>>>>>,boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,boost::optional<Group>>,boost::signals2::slot<Signature,boost::function<Signature>>,Mutex>>::dereference(void) const' being compiled
1>          with
1>          [
1>              Group=int,
1>              R=void,
1>              Signature=void (const foo &),
1>              Mutex=boost::signals2::mutex
1>          ]
1>  c:\lib\boost_1_60_0\boost\signals2\detail\signal_template.hpp(244): note: see reference to class template instantiation 'boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type,const foo &>,std::_List_iterator<std::_List_val<std::_List_simple_types<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,boost::optional<Group>>,boost::signals2::slot<R (const foo &),boost::function<Signature>>,Mutex>>>>>,boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group,boost::optional<Group>>,boost::signals2::slot<Signature,boost::function<Signature>>,Mutex>>' being compiled
1>          with
1>          [
1>              Group=int,
1>              R=void,
1>              Signature=void (const foo &),
1>              Mutex=boost::signals2::mutex
1>          ]
1>  c:\lib\boost_1_60_0\boost\signals2\detail\signal_template.hpp(226): note: while compiling class template member function 'void boost::signals2::detail::signal_impl<R (const foo &),Combiner,Group,GroupCompare,SlotFunction,ExtendedSlotFunction,Mutex>::operator ()(const foo &)'
1>          with
1>          [
1>              R=void,
1>              Combiner=boost::signals2::optional_last_value<void>,
1>              Group=int,
1>              GroupCompare=std::less<int>,
1>              SlotFunction=boost::function<void (const foo &)>,
1>              ExtendedSlotFunction=boost::function<void (const boost::signals2::connection &,const foo &)>,
1>              Mutex=boost::signals2::mutex
1>          ]
1>  c:\lib\boost_1_60_0\boost\signals2\detail\signal_template.hpp(723): note: see reference to function template instantiation 'void boost::signals2::detail::signal_impl<R (const foo &),Combiner,Group,GroupCompare,SlotFunction,ExtendedSlotFunction,Mutex>::operator ()(const foo &)' being compiled
1>          with
1>          [
1>              R=void,
1>              Combiner=boost::signals2::optional_last_value<void>,
1>              Group=int,
1>              GroupCompare=std::less<int>,
1>              SlotFunction=boost::function<void (const foo &)>,
1>              ExtendedSlotFunction=boost::function<void (const boost::signals2::connection &,const foo &)>,
1>              Mutex=boost::signals2::mutex
1>          ]
1>  c:\lib\boost_1_60_0\boost\signals2\detail\signal_template.hpp(614): note: see reference to class template instantiation 'boost::signals2::detail::signal_impl<R (const foo &),Combiner,Group,GroupCompare,SlotFunction,ExtendedSlotFunction,Mutex>' being compiled
1>          with
1>          [
1>              R=void,
1>              Combiner=boost::signals2::optional_last_value<void>,
1>              Group=int,
1>              GroupCompare=std::less<int>,
1>              SlotFunction=boost::function<void (const foo &)>,
1>              ExtendedSlotFunction=boost::function<void (const boost::signals2::connection &,const foo &)>,
1>              Mutex=boost::signals2::mutex
1>          ]
1>  c:\users\gmarcano\documents\visual studio 2015\projects\project1\source.cpp(8): note: see reference to class template instantiation 'boost::signals2::signal<void (const foo &),boost::signals2::optional_last_value<void>,int,std::less<Group>,boost::function<Signature>,boost::function<R (const boost::signals2::connection &,const foo &)>,boost::signals2::mutex>' being compiled
1>          with
1>          [
1>              Group=int,
1>              Signature=void (const foo &),
1>              R=void
1>          ]
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========