gistfile1.rb

def select_animal(num)
  animal = case num
    when (1 or 2) then :monkey          # 2 & 4 never get reached
    when (3 || 4) then :giraffe
  end
  return animal
end

(1..4).each do |n|
  puts select_animal(n)
end


# Ruby 1.9.2
# => monkey
# => 
# => giraffe
# =>