Re: [Boost-users] shared_ptr implicit dynamic cast

eric wrote:

hello

given the following class hierarchy

class Foo { protected: virtual ~Foo() {} };

class Bar : public Foo {};

and declaration

boost::shared_ptr<Foo> foo;

is there any difference between the two assignment statements below?

foo = boost::shared_ptr<Foo>(new Bar); foo = boost::shared_ptr<Bar>(new Bar);

No, the first form is a shorthand for the second form, and so is foo.reset( new Bar );