Shared Pointers

• Again chapter 7.
  • And shared pointer reference
  • And make_shared reference.
• In this case there can be many pointers to the same memory
  • The class keeps a count.
  • Copy constructor, assignment, constructor increase the count.
  • assignment, destructor decrease the count.
  • When the count reaches 0, the memory is freed.
• Can be to a dynamic array.
• Most of the same members as unique_ptr.
• Look at ListT.h