Processes

• main calls Init
  • Init creates barber subroutine
    • barber subroutine starts 5 barber threads that wait for customers to arrive by channel
    • barber subroutine waits for barbers to finish all customers via WaitGroup
  • Init creates receptionist subroutine
    • receptionist subroutine continues to parse a list of names randomly assigning a Style as it creates a Customer each time
    • receptionist waits for ctx.Done() and continually sends newly created Customer objects to the customers channel
• main sleeps for a few seconds allowing customers to be created
• main sends cancel signal to ctx jobs
  • receptionist quits
  • barber threads finish their queue and send wg.Done to barber subroutine
  • barber subroutine sends true to done channel
• main receives final done and exits