Robert Jacques: > This would require structs/arrays/etc to contain a header with a vtable, > so the GC could know what to do.
Do you mean a vtable pointer? Can you explain me why this is necessary? > remember, the GC allocates on > 16-byte boundaries so each Node* actually has 4-bits (8 total) in which to > hide an enum. They can't be used, the D specs say that pointers to memory managed by the GC can't be used to store flags (so I too was wrong in an answer to another person), probably because they are used by the garbage to color the graph in two or three colors. Bye, bearophile
