public void HardCodedSubWriter()
{
var hcWriter = XmlWrite.ForAny().Tag("hard").Content("coded");
var writer =
from root in XmlWrite.For <int>().Tag("root")
from sub in hcWriter
select root;
var expected = "<root><hard>coded</hard></root>";
var actual = writer.Write(42);
Assert.Equal(expected, actual);
}