# File lib/gruff/line.rb, line 72 def initialize(*args) raise ArgumentError, 'Wrong number of arguments' if args.length > 2 if args.empty? || ((not Numeric === args.first) && (not String === args.first)) super() else super args.shift end @reference_lines = Hash.new @reference_line_default_color = 'red' @reference_line_default_width = 5 @hide_dots = @hide_lines = false @maximum_x_value = nil @minimum_x_value = nil end