System.Linq.Expressions.LabelExpression.Update C# (CSharp) Method

        public LabelExpression Update(LabelTarget target, Expression defaultValue)
        {
            if (target == Target && defaultValue == DefaultValue)
            {
                return this;
            }
            return Expression.Label(target, defaultValue);
        }
    }

        /// <summary>
        ///     Visits the children of the <see cref="LabelExpression" />.
        /// </summary>
        /// <param name="node">The expression to visit.</param>
        /// <returns>
        ///     The modified expression, if it or any subexpression was modified;
        ///     otherwise, returns the original expression.
        /// </returns>
        protected internal virtual Expression VisitLabel(LabelExpression node)
        {
            if (node == null)
            {
                throw new ArgumentNullException(nameof(node));
            }

            return(node.Update(VisitLabelTarget(node.Target), Visit(node.DefaultValue)));
        }