private static PrettyPrinter.Node ShowStackNode(ImmutableDictionary <int, TiNode> heap, TiNode node) =>
node switch
{
private static (ImmutableDictionary <int, TiNode>, int) Allocate(ImmutableDictionary <int, TiNode> heap, TiNode node)
{
var addr = heap.Keys.Max() + 1;
var newHeap = heap.Add(addr, node);
return(newHeap, addr);
}
private static (ImmutableDictionary <int, TiNode>, int) AssignOrAllocate(int?addr, ImmutableDictionary <int, TiNode> heap, TiNode node)
{
return(addr.HasValue ? (Assign(addr.Value, heap, node), addr.Value) : Allocate(heap, node));
}
private static ImmutableDictionary <int, TiNode> Assign(int addr, ImmutableDictionary <int, TiNode> heap, TiNode node)
{
return(heap.SetItem(addr, node));
}
public Marked(TiNode node)
{
Node = node;
}
