scoped-ptr – Tarik Billa

shared_ptr vs scoped_ptr

August 20, 2023 by Tarik

shared_ptr is more heavyweight than scoped_ptr. It needs to allocate and free a reference count object as well as the managed object, and to handle thread-safe reference counting – on one platform I worked on, this was a significant overhead. My advice (in general) is to use the simplest object that meets your needs. If … Read more

Difference between boost::scoped_ptr and std::unique_ptr

March 21, 2023 by Tarik

No, but that is the most important difference. The other major difference is that unique_ptr can have a destructor object with it, similarly to how shared_ptr can. Unlike shared_ptr, the destructor type is part of the unique_ptr‘s type (the way allocators are part of STL container types). A const unique_ptr can effectively do most of … Read more