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






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.Overload the + relative to MyClass.
2.Overload + for 'ob + int' as well as 'ob + ob'.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