# File lib/jmespath/nodes/function.rb, line 86
      def call(args)
        if args.count == 1
          value = args.first
        else
          return maybe_raise Errors::InvalidArityError, "function abs() expects one argument"
        end
        if Numeric === value
          value.abs
        else
          return maybe_raise Errors::InvalidTypeError, "function abs() expects a number"
        end
      end