cast_value

# File activemodel/lib/active_model/type/date.rb, line 39
        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