module NameOfPerson::AssignableName

def name

Returns a PersonName object created from the first_name and last_name attributes. 
def name
  NameOfPerson::PersonName.new(first_name, last_name) if first_name
end

def name=(name)

Assigns first_name and last_name attributes as extracted from a supplied full name. 
def name=(name)
  full_name = NameOfPerson::PersonName.full(name)
  self.first_name, self.last_name = full_name&.first, full_name&.last
end