Re: delete an inherited class
On Apr 27, 8:39 pm, Free0...@gmail.com wrote:
if i make a class that inherit another class, when i delete the
pointer casted to the inherited class, only the destructor of the
inherited class fires, the base class does not.
ex:
class shape
{
~shape()
}
class square : class shape
{
~square()
}
square pSquare = new square();
shape pShape = dynamic_cast<shape *>(pSquare);
delete pShape; <== only calls ~shape()
Hello,
Please always post minimal compilable code.
You need to make base's destructor virtual:
#include <iostream>
struct shape
{
virtual ~shape() { std::cout << "shape::~shape\n"; }
};
struct square : public shape
{
~square() { std::cout << "square::~square\n"; }
};
int main()
{
square* pSquare = new square();
shape* pShape = dynamic_cast<shape *>(pSquare);
delete pShape;
std::cin.get();
return 0;
}
Regards.
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