Defining and using union WordByte : Union « Data Type « C++

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C++ » Data Type » Union Screenshots  Defining and using union WordByte #include <iostream> using namespace std; union WordByte {   private:     unsigned short w;         // 16 bits     unsigned char b[2];       // Two bytes: b[0], b[1]   public:                     // Word- and byte-access:     unsigned short& word()    {          return w;      }     unsigned char&  lowByte() {          return b[0];      }     unsigned char&  highByte(){          return b[1];      } }; int main() {     WordByte wb;     wb.word() = 256;     cout << "\nWord:      " << (int)wb.word();     cout << "\nLow-byte:  " << (int)wb.lowByte()          << "\nHigh-byte: " << (int)wb.highByte()          << endl;     return 0; }                     Related examples in the same category 1. Use union to swap bytes 2. Anonymous Unions