Hi All,
I'm new to Boost, and I've been taking a look at scoped pointers. Here's the
example from the boost documentation:
----------------------------------------------------------------------
#include
#include <iostream>
struct Shoe { ~Shoe() { std::cout << "Buckle my shoe\n"; } };
class MyClass {
boost::scoped_ptr<int> ptr;
public:
MyClass() : ptr(new int) { *ptr = 0; }
int add_one() { return ++*ptr; }
};
int main()
{
boost::scoped_ptr<Shoe> x(new Shoe);
MyClass my_instance;
std::cout << my_instance.add_one() << '\n';
std::cout << my_instance.add_one() << '\n';
}
----------------------------------------------------------------------
I notice that the creation of a new object for the scoped pointer has been
done before the MyClass constructor. However you can't declare the scoped
pointer as a member variable and then do something like this in a method:
protected:
scoped_pointer<ArbitaryObject> mPointerToObject;
....
// Later
mPointerToObject ( new ArbitaryObject() );
Why is that?
Thanks!
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