System.Linq.Expressions.Expression.ValidateListInitArgs C# (CSharp) Method

        private static void ValidateListInitArgs(Type listType, ReadOnlyCollection<ElementInit> initializers, string listTypeParamName)
        {
            if (!typeof(IEnumerable).IsAssignableFrom(listType))
            {
                throw Error.TypeNotIEnumerable(listType, listTypeParamName);
            }
            for (int i = 0, n = initializers.Count; i < n; i++)
            {
                ElementInit element = initializers[i];
                ContractUtils.RequiresNotNull(element, nameof(initializers), i);
                ValidateCallInstanceType(listType, element.AddMethod);
            }
        }
    }