?? list1018.cpp
字號:
// Listing 10.18 - Conversion Operators
#include <iostream>
class Counter
{
public:
Counter();
Counter(int val);
~Counter(){}
int GetItsVal()const { return itsVal; }
void SetItsVal(int x) {itsVal = x; }
operator unsigned int();
private:
int itsVal;
};
Counter::Counter():
itsVal(0)
{}
Counter::Counter(int val):
itsVal(val)
{}
Counter::operator unsigned int ()
{
return ( int (itsVal) );
}
int main()
{
Counter ctr(5);
int theInt = ctr;
std::cout << "theInt: " << theInt << std::endl;
return 0;
}
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