private static string DumpList <T>(RList <Tuple <T, T> > .Node list)
{
var result = new StringBuilder();
result.Append("{");
var separator = "";
while (true)
{
if (list == null)
{
break;
}
result.Append(separator);
separator = ", ";
var head = RList <Tuple <T, T> > .Head(list);
result.Append(head);
list = RList <Tuple <T, T> > .Tail(list);
}
result.Append("}");
return(result.ToString());
}
public void EmptyHeadTest()
{
var list = RList <string> .Empty;
AssertThrows <ArgumentNullException>(() => RList <string> .Head(list));
}
