Re: [Boost-users] boost::variant & c++11

#include //A simplified wrapper template<typename T> struct wrap { T t; wrap(T& _t) : t(_t) {} operator T() const { return t; } T force() const { return t; } };

struct A{}; struct B{};

typedef boost::variant my_variant;

int main() { A a; my_variant x(a); #ifndef WAR my_variant y = wrap(x); #else my_variant y = wrap(x).force(); #endif }

And the error:

/home/bcatanzaro/boost_1_53_0/boost/variant/variant.hpp:1574:9: error: no matching function for call to ‘boost::variant::initializer::initialize(void*, std::remove_reference >&>::type)’

FWIW, your case can be reproduced with even more trivial code: #include typedef boost::variant<int> my_variant; struct convertible { operator my_variant() const { return my_variant(); } }; int main() { convertible x; my_variant y = x; }