linkage'd by godecho

1

// linkage error: // main.obj : error LNK2001: unresolved external symbol "protected: static class Blert * Blert::_instance" (?_instance@Blert@@1PAV1@A) #include <iostream> #include <map> using::std::cout; using::std::endl; using::std::map; class Blert {     public:                  static inline Blert *Inst()         {                 return _instance;         }     protected:         Blert()         {             _instance = new Blert;         }         ~Blert()         {             delete _instance;         }         static Blert *_instance;     private:         // nothing }; int main(int argc, char **argv) {     cout << Blert::Inst() << endl;     return 0; }