Материал из C\C++ эксперт
Conversion operator
#include <iostream>
class MyType
{
public:
MyType();
MyType(int val);
~MyType(){}
int getValue()const { return myValue; }
void setValue(int x) {myValue = x; }
operator unsigned short();
private:
int myValue;
};
MyType::MyType():myValue(0) {}
MyType::MyType(int val): myValue(val) {}
MyType::operator unsigned short ()
{
return ( int (myValue) );
}
int main()
{
MyType ctr(5);
int theShort = ctr;
std::cout << "theShort: " << theShort << std::endl;
return 0;
}theShort: 5
