cast_value

# File activemodel/lib/active_model/type/date.rb, line 16
      def cast_value(value)
        if value.is_a?(::String)
          return if value.empty?
          fast_string_to_date(value) || fallback_string_to_date(value)
        elsif value.respond_to?(:to_date)
          value.to_date
        else
          value
        end
      end