additional meanings for the + and = operations
#include <iostream>
#include <string.h>
using namespace std;
class str_type {
char string[80];
public:
str_type(char *str = "\0") { strcpy(string, str); }
str_type operator+(str_type str);
str_type operator+(char *str);
str_type operator=(str_type str);
str_type operator=(char *str);
void show_str(void) { cout << string; }
} ;
str_type str_type::operator+(str_type str) {
str_type temp;
strcpy(temp.string, string);
strcat(temp.string, str.string);
return temp;
}
str_type str_type::operator=(str_type str) {
strcpy(string, str.string);
return *this;
}
str_type str_type::operator=(char *str)
{
str_type temp;
strcpy(string, str);
strcpy(temp.string, string);
return temp;
}
str_type str_type::operator+(char *str)
{
str_type temp;
strcpy(temp.string, string);
strcat(temp.string, str);
return temp;
}
main(void)
{
str_type a("Hello "), b("There"), c;
c = a + b;
c.show_str();
cout << "\n";
a = "to program in because";
a.show_str();
cout << "\n";
b = c = "C++ is fun";
c = c+" "+a+" "+b;
c.show_str();
return 0;
}
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