# File lib/compass/sass_extensions/functions/gradient_support.rb, line 82
    def initialize(position, shape_and_size, color_stops)
      unless color_stops.value.size >= 2
        raise Sass::SyntaxError, "At least two color stops are required for a radial-gradient"
      end
      if angle?(position)
        raise Sass::SyntaxError, "CSS no longer allows angles in radial-gradients."
      end
      self.position = position
      self.shape_and_size = shape_and_size
      self.color_stops = color_stops
    end