#include <iostream>
#include <cstring>
using std::cout;
using std::endl;
using namespace std;
class MyString {
public:
MyString(const char* pText) {
pString = new char[ strlen(pText) + 1 ];
std::strcpy(pString, pText);
}
~MyString() {
cout << endl << "Destructor called." << endl;
delete[] pString;
}
MyString& operator=(const MyString& String) {
cout << endl << "calling =." << endl;
if(this == &String)
return *this;
delete[] pString;
pString = new char[ strlen(String.pString) + 1];
// Copy right operand string to left operand
std::strcpy(this->pString, String.pString);
return *this;
}
char* getString() const{ return pString; }
private:
char* pString;
};
int main() {
MyString warning("There is a String");
MyString standard("");
cout << warning.getString();
cout << standard.getString();
standard = warning;
cout << warning.getString();
cout << standard.getString();
cout << endl;
return 0;
}
|