Refactoring an if statement for a student

shoot.rb

# original
def shoot
  if cranky? || laying?
    "NO!"
  else
    @tired += 1
    "Twang!!!"
  end
end

# ternary -- as requested
def shoot
  cranky? || laying? ? "NO!" : (@tired += 1; "Twang!!!")
end

# guard clause -- what I'd actually do
def shoot
  return "NO!" if cranky? || laying?
  @tired += 1
  "Twang!!!"
end