static void AppendExample()
{
var a = HList.Nil().Extend(true).Extend(3).Extend("Foo");
var b = HList.Nil().Extend(new [] { 1, 2 }).Extend("Bar").Extend(4.0);
var zero = HAppend.Append <HCons <double, HCons <string, HCons <int[], HNil> > > >();
var one = HAppend.Append <bool, HNil,
HCons <double, HCons <string, HCons <int[], HNil> > >,
HCons <double, HCons <string, HCons <int[], HNil> > >,
HAppend <HNil, HCons <double, HCons <string, HCons <int[], HNil> > >, HCons <double, HCons <string, HCons <int[], HNil> > > > >(zero);
var two = HAppend.Append <int,
HCons <bool, HNil>,
HCons <double, HCons <string, HCons <int[], HNil> > >,
HCons <bool, HCons <double, HCons <string, HCons <int[], HNil> > > >,
HAppend <HCons <bool, HNil>,
HCons <double, HCons <string, HCons <int[], HNil> > >,
HCons <bool, HCons <double, HCons <string, HCons <int[], HNil> > > > > >(one);
var three = HAppend.Append <string,
HCons <int, HCons <bool, HNil> >,
HCons <double, HCons <string, HCons <int[], HNil> > >,
HCons <int, HCons <bool, HCons <double, HCons <string, HCons <int[], HNil> > > > >,
HAppend <HCons <int, HCons <bool, HNil> >,
HCons <double, HCons <string, HCons <int[], HNil> > >,
HCons <int, HCons <bool, HCons <double, HCons <string, HCons <int[], HNil> > > > > > >(two);
var x = three.Append(a, b);
Console.WriteLine(x.Head);
Console.WriteLine(x.Tail.Tail.Tail.Tail.Head);
}