Mega Code Archive
Static_cast operator
<![CDATA[
#include <iostream>
using namespace std;
class BaseClass {
public:
void f( void ) const { cout << "BASE\n"; }
};
class DerivedClass: public BaseClass {
public:
void f( void ) const { cout << "DERIVED\n"; }
};
void test( BaseClass * );
int main()
{
// use static_cast for a conversion
double d = 8.22;
int x = static_cast< int >( d );
cout << "d is " << d << "\nx is " << x << endl;
BaseClass base; // instantiate base object
test( &base ); // call test
return 0;
}
void test( BaseClass *basePtr )
{
DerivedClass *derivedPtr;
// cast base class pointer into derived class pointer
derivedPtr = static_cast< DerivedClass * >( basePtr );
derivedPtr->f(); // invoke DerivedClass function f
}
]]>