static void Main(string[] args)
{
var x = Tuple.Create(Guid.NewGuid(), new[] { 1, 2, 3, 4, 5, 6 });
var serializer = TupleSerializer <Tuple <Guid, int[]> > .Create();
var sb = new StringBuilder();
using (var writer = XmlWriter.Create(sb))
{
serializer.WriteObject(writer, x);
writer.Flush();
Console.WriteLine(sb.ToString());
}
}