System.Linq.Expressions.UnaryExpression.Update C# (CSharp) Метод

        public UnaryExpression Update(Expression operand)
        {
            if (operand == Operand)
            {
                return this;
            }
            return Expression.MakeUnary(NodeType, operand, Type, Method);
        }
    }

        private Expression VisitUnaryExtracted(UnaryExpression node)
        {
            var visited = Visit(node.Operand);
            var updated = node.Update(visited);

            return(ValidateUnary(node, updated));
        }