String class with custom +/- operator : Plus « Overload « C++

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C++ » Overload » Plus Screenshots  String class with custom +/- operator     #include <iostream> #include <iomanip> #include <string.h> using namespace std; class String  {   public:      char *operator +(char *append_str)     { return(strcat(buffer, append_str)); };         char *operator -(char letter);     String(char *string)      { strcpy(buffer, string);          length = strlen(buffer);      }     void show_string() { cout << buffer; };   private:     char buffer[256];     int length; }; int main(void){    String title("A");    title = title + "Programmer's Bible\n";    title.show_string(); }                 Related examples in the same category 1. Overload the + relative to MyClass. 2. Overload + for 'ob + int' as well as 'ob + ob'. 3. additional meanings for the + and = operations 4. overload the "+" operator so that several angles, in the format degrees minutes seconds, can be added directly. 5. Friendly operator+ 6. overloaded '+' operator adds two Distances 7. overloaded '+' operator concatenates strings 8. + is overloaded for three_d + three_d and for three_d + int. 9. Define operator +(plus) and cast to double operator 10. Overloading the + (or any other binary operator) using a friend allows a built-in type to occur on the left or right side of the operator. 11. friend overloaded + operator