# File lib/dm-types/comma_separated_list.rb, line 7 def dump(value) if value.nil? nil elsif value.kind_of?(::Array) super(value) elsif value.kind_of?(::String) v = (value || "").split(","). compact. map { |i| i.downcase.strip }. reject { |i| i.blank? }. uniq super(v) else raise ArgumentError, "+value+ of CommaSeparatedList must be a string, an array or nil, but given #{value.inspect}" end end