# File lib/versionomy/schema/field.rb, line 173
      def bump_value(value_)
        if @bump_proc
          nvalue_ = @bump_proc.call(value_)
          nvalue_ || value_
        elsif @type == :integer || @type == :string
          value_.next
        else
          info_ = @symbol_info[value_]
          info_ ? info_[1] || value_ : nil
        end
      end