196: Highlights

• Reader and writer member functions provide an indirect route to member variable reference and assignment.
• You can define reader and writer member functions for imaginary member variables.
• If you want to refer to a member-variable value using a reader, then instantiate the following pattern:

  class object.reader function ( ) 
  

• If you want to assign a member-variable value using a writer, then instantiate the following pattern:

  class object.writer function (expression)