Example III Refactored for the Post - avoiding-conditionals

sample_06.rb

def save(state, params)
  state_action = {
    in_progress: :save_in_progress,
    done:        :save_done,
    on_review:   :save_on_review
  }

  action = state_action[state]
  self.send(action, params)
end

params = { a: 1, b: 2, c: 3 }
save(:in_progress, params)    #=> "called save_in_progress"
save(:done, params)           #=> "called save_done"
save(:on_review, params)      #=> "called save_on_review"