[gclist] Buffy finalizer slayer.

Simon Peyton-Jones simonpj@microsoft.com
Fri, 11 Jun 1999 06:52:01 -0700

> Lets open the medieval text on the evils of finalizers. It 
> has plenty of
> death and destruction but watcher objects seem to solve every problem.

I believe that the Glasgow Haskell Compiler's implementation
of (what we call) finalisers are precisely what
you describe as watcher objects.  There's a paper describing them


(But I could be mistaken; I'd welcome feedback.)

Do any other systems implement watcher objects as you describe them?