AjScript.Interpreter.Parser.IsHoistedCommand C# (CSharp) Метод

        private static bool IsHoistedCommand(ICommand command)
        {
            if (command == null)
                return false;
            if (command is VarCommand)
                return true;
            if (command is ExpressionCommand && ((ExpressionCommand)command).Expression is FunctionExpression
                && ((FunctionExpression)((ExpressionCommand)command).Expression).Name != null)
                return true;
            return false;
        }