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Ch.8 Challenge:

Using a hash map and vectors, create a text interface to allow a user to add employee names to a department in the company. For example, "Add Sally to Engineering" or "Add Amir to Sales". Then let the user retrieve a list of all people in a department or all people in the company by department, sorted alphabetically.

Ch.8 Challenge:

Using a hash map and vectors, create a text interface to allow a user to add employee names to a department in the company. For example, "Add Sally to Engineering" or "Add Amir to Sales". Then let the user retrieve a list of all people in a department or all people in the company by department, sorted alphabetically.

1. I am suspicious that match statements inside match statements is not good practice.
2. The Command::Add branch in process_command feels a little hacky with the () return.

1. I am suspicious that match statements inside match statements is not good practice.
2. The Command::Add branch in process_command feels a little hacky with the () return. Edit: After thinking more about this problem, I think if I wrapped the branch responses in Ok() then I could return a Result from that function.