Initializing const static Data Members

The C++ Standard now allows initialization of const static data members of an integral type inside their class.

 #include class Buff{private:  static const int MAX = 512; //definition  static const char flag = 'a'; //also a defintion  static const std::string msg; //non-integral type; must be defined outside the class bodypublic://..};const std::string Buff::msg = "hello";

The initialization inside the class body also defines the data member, so it shouldn’t be defined outside the class, as opposed const static data members of non-integral types, which have to be defined outside the class body.

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