# File lib/jmespath/nodes/function.rb, line 375
      def call(args)
        if args.count == 1
          begin
            value = Float(args.first)
            Integer(value) === value ? value.to_i : value
          rescue
            nil
          end
        else
          return maybe_raise Errors::InvalidArityError, "function to_number() expects one argument"
        end
      end