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

        public SwitchCase Update(IEnumerable<Expression> testValues, Expression body)
        {
            if (testValues == TestValues && body == Body)
            {
                return this;
            }
            return Expression.SwitchCase(body, testValues);
        }
    }

        /// <summary>
        ///     Visits the children of the <see cref="SwitchCase" />.
        /// </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 virtual SwitchCase VisitSwitchCase(SwitchCase node)
        {
            if (node == null)
            {
                throw new ArgumentNullException(nameof(node));
            }

            return(node.Update(Visit(node.TestValues), Visit(node.Body)));
        }