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#include <iostream>
#include <type_traits>
#include <functional>
 
class A {
public:
    A(int a = 0): a_(a) {}
    A(const A& rhs): a_(rhs.a_) {}
    A(A&& rhs) = delete;
    void operator() ()
    {
        std::cout << a_ << std::endl;
    }
 
private:
    int a_;
};
 
typedef std::function<void()> Function;
 
int main(int argc, char *argv[])
{
    std::cout << std::boolalpha;
    std::cout << "Copy constructible: "
              << std::is_copy_constructible<A>::value << std::endl;
    std::cout << "Move constructible: "
              << std::is_move_constructible<A>::value << std::endl;
    Function f = A();
    return 0;
}

prog.cpp: In function ‘int main(int, char**)’:
prog.cpp:28:20: error: use of deleted function ‘A::A(A&&)’
prog.cpp:9:5: error: declared here
In file included from prog.cpp:3:0:
/usr/include/c++/4.7/functional:2288:7: error:   initializing argument 1 of ‘std::function<_Res(_ArgTypes ...)>::function(_Functor, typename std::enable_if<(! std::is_integral<_Functor>::value), std::function<_Res(_ArgTypes ...)>::_Useless>::type) [with _Functor = A; _Res = void; _ArgTypes = {}; typename std::enable_if<(! std::is_integral<_Functor>::value), std::function<_Res(_ArgTypes ...)>::_Useless>::type = std::function<void()>::_Useless]’
/usr/include/c++/4.7/functional: In instantiation of ‘static void std::_Function_base::_Base_manager<_Functor>::_M_init_functor(std::_Any_data&, _Functor&&, std::false_type) [with _Functor = A; std::false_type = std::integral_constant<bool, false>]’:
/usr/include/c++/4.7/functional:1812:4:   required from ‘static void std::_Function_base::_Base_manager<_Functor>::_M_init_functor(std::_Any_data&, _Functor&&) [with _Functor = A]’
/usr/include/c++/4.7/functional:2300:6:   required from ‘std::function<_Res(_ArgTypes ...)>::function(_Functor, typename std::enable_if<(! std::is_integral<_Functor>::value), std::function<_Res(_ArgTypes ...)>::_Useless>::type) [with _Functor = A; _Res = void; _ArgTypes = {}; typename std::enable_if<(! std::is_integral<_Functor>::value), std::function<_Res(_ArgTypes ...)>::_Useless>::type = std::function<void()>::_Useless]’
prog.cpp:28:20:   required from here
/usr/include/c++/4.7/functional:1841:4: error: use of deleted function ‘A::A(A&&)’
prog.cpp:9:5: error: declared here

Standard output is empty