On Mon, Dec 20, 1999 at 02:10:54PM +0000, Nick Ing-Simmons wrote: > > While debugging SV leakage in Tk I noticed that when GVs are dropped > into derived class package to represent the "inherited" methods > the GVs have their SV slot filled in with a NULL SV. > > Is this either necessary or useful? > When you have a system like Tk with lots of inherited methods > having $Tk::Text::destroy created when you call $text->destroy > means quite a few SVs get called into being never to be used. I recall Larry saying that all GVs get an SV for free. Maybe that's no longer the win it as presumed to be. Tim.