Thanks Marcus! This will be very useful. Uko
> On 01 May 2015, at 12:51, Marcus Denker <[email protected]> wrote: > > >> On 01 May 2015, at 12:41, Yuriy Tymchuk <[email protected]> wrote: >> >> Hi, is it possible to do a halt whenever some instance variable is written? > > Soon… I am working on it. > > Make a class TT with ivar ‘tt’, method > tt > tt := 1. > > > Then we can define a meta-link to call "Halt now”: > > > | link | > link := MetaLink new > metaObject: Halt; > selector: #now. > > This we can install on the Slot itself: > > (TT slotNamed: #tt) link: link. > > > If we now call > > TT new tt > > it will tell you that we need to implement #write:to: in LinkWrapper… ;-) > Which means a lot of the basic machinery is working! > > Next week... > > Marcus
