# File lib/static_gmaps.rb, line 126 def alpha_character=(value) if value value = value.to_s.downcase.to_sym if !VALID_ALPHA_CHARACTERS.include?(value) raise ArgumentError.new("#{value} is not a supported alpha_character. Supported colors are #{VALID_ALPHA_CHARACTERS.join(', ')}.") end end @alpha_character = value end