triangle

def triangle(a, b, c)
  kolmio = Array.new
  kolmio = [a, b, c]

  if kolmio.size.uniq == 1 then
  return :equilateral

  elsif kolmio.uniq.size == 2 then
  return :isosceles

  elsif kolmio.uniq.size == 3 then
  return :scalene
  end
end

def triangle(a, b, c)
  case [a, b, c].uniq.size
  when 1
    :equilateral
  when 2
    :isosceles
  when 3
    :scalene
  end
end

def triangle(*args)
  case args.uniq.size
  when 1; :equilateral
  when 2; :isoceles
  when 3; :scalene
  end
end

def triangle(*args)
  [:equilateral, :isoceles, :scalene](args.uniq.size-1]
end

/runs away