# File lib/dm-validations/length_validator.rb, line 10
      def initialize(field_name, options)
        super
        @field_name = field_name
        @options = options

        @min = options[:minimum] || options[:min]
        @max = options[:maximum] || options[:max]
        @equal = options[:is] || options[:equals]
        @range = options[:within] || options[:in]

        @validation_method ||= :range if @range
        @validation_method ||= :min if @min && @max.nil?
        @validation_method ||= :max if @max && @min.nil?
        @validation_method ||= :equals unless @equal.nil?
      end