1. Simple_String: juste a simple implementation of a string class It has:

   • A copy constructor
   • A move constructor
   • A copy asignment operator
   • A move assignment operator.

   to better understand the rule of 5, and how to implement the members.and also see through the logging how each one is invoked, and get called. this class is used afterwards for testing purposes.

2. Array: a simple statically allocated array

3. Vector: lessons learned : how to allocate memory dynamically