On Mon, Mar 30, 2009 at 8:04 AM, bearophile <bearophileh...@lycos.com> wrote: > grauzone: >> First, I doubt this actually works. [...] To actually hide the pointer from >> the GC, you could XOR the size_t value with a constant.< > > This is may be a stupid idea: Can't the OP just allocate with > std.c.stdlib.malloc a block of void* pointers (plus keep an int length too), > fill them with the object references and and then cast one of them back to > object reference when necessary? Objects of such class can keep a similarly > C-heap pointer to the cell of the block that contains its reference, and set > it to null when they are removed. > It's not a general solution yet and it looks a bit messy. > > Weak references may just need to be added to Phobos/Tango GC, if not present.
Yes, please! Weak references absolutely should be part of the standard distributions of a GC'ed language. --bb
