c++ - Noncopyable and move constructor -

i have made member of class non-copyable have given move constructor , assignment operator. yet dosn't play ball container vector.

class noncopyable { public:     noncopyable(const noncopyable&) = delete;     noncopyable& operator=(const noncopyable&) = delete;   protected:     noncopyable()     {     }      ~noncopyable() _noexcept     {     } };   class member : noncopyable { public:     member(int i) : mnum(i)     {     }     ~member()     {     }      member(member&& other) _noexcept : mnum(other.mnum)     {     }      member& operator= (member&& other) _noexcept     {         std::swap(mnum, other.mnum);         return *this;     }  private:     int mnum; };   struct item {     item(int i) : mmember(i)     {     }      member mmember; };    int _tmain(int argc, _tchar* argv[]) {     std::vector<item> vec;     vec.emplace_back(1);      return 0; } 

the following compiler error:

error c2280: 'noncopyable::noncopyable(const noncopyable &)' : attempting reference deleted function see declaration of 'noncopyable::noncopyable' diagnostic occurred in compiler generated function 'member::member(const member &)' 

why dosn't compiler recognize member can moved? missing?

edit: visual studio 2013

edit2: add item , compiles:

item(item&& other) _noexcept : mmember(std::move(other.mmember)) { } 

am ok? it?

in vs2013 default , deleted functions , rvalue references partially implemented. upgrade vs2015 these feature according microsoft implemented (your example compiles fine). c++11/14/17 features in vs 2015 rc