triangle todo day 13

triangle.rb

class Triangle
  attr_accessor :a, :b, :c
  def initialize(a,b,c)
    @a = a
    @b = b
    @c = c
  end
  def kind
    
    if [self.a, self.b, self.c].any?{|x| x <= 0}
      raise TriangleError
    end
    sorted_arr = [self.a, self.b, self.c].sort
    p sorted_arr
    if (sorted_arr[0]) + (sorted_arr[1]) <= (sorted_arr[2])
      raise TriangleError
    end
    case [self.a, self.b, self.c].uniq.count
    when 1
      :equilateral
    when 2
      :isosceles
    when 3
      :scalene
    end
  end
end

class TriangleError < Exception

end