System.Xml.Serialization.XmlSerializationCodeGen.EnsureArrayIndex C# (CSharp) Method

        private TypeMapping[] EnsureArrayIndex(TypeMapping[] a, int index)
        {
            if (a == null) return new TypeMapping[32];
            if (index < a.Length) return a;
            TypeMapping[] b = new TypeMapping[a.Length + 32];
            Array.Copy(a, b, index);
            return b;
        }