beforeGarbageCollection

[Bane]

Andrei Alexandrescu Wrote:

> I'm thinking of a feature that would improve the memory footprint of D 
> programs. Say druntime provided a function:
> 
> void beforeGarbageCollection(void delegate() callMe);
> 
> The runtime would guarantee that callMe gets called before any 
> collection. That would allow modules to clean up caches (e.g. free 
> lists) to improve their memory profile.
> 
> Any thoughts, please share.
> 
> 
> Andrei

void beforeGarbageCollection(bool delegate() callMe);

Maybe return value indicating should collect cycle be executed or skipped only that once? There might be some cases that it can be useful. Just my 2c