Also, I do not think metalinks could work on #write:to: method from slots, because that method is not used at runtime (I do not remember exactly but maybe somebody knows the details...).
Le 2019-04-03 16:20, Steven Costiou a écrit : > Hi, > > if you are using Pharo7, you could do either on a class (affects all > instances) or on an object (affects only the target instance): > >> classOrObject link: yourMetaLink toSlotNamed: #slotName option: #write > > It will install the metalink on all write accesses to the slot. > > Note that if you target a single object, it will be migrated to an anonymous > subclass for the metalink to be object-specific. > > In both cases, if you add or remove inst-var accesses, the metalink should > update automatically. > > Steven. > > Le 2019-04-03 15:57, Vitor Medina Cruz a écrit : > >> Hello, >> >> Is it possible to intercept a slot store? I tried with a before metalink >> into #write:to selector, but it don't seems to work. Should I use another >> selector? >> >> I would like to experiment with ivar change notification, but I don't know >> what is the better approach. I know I could install a MetaLink in an >> attribution node, but that seems ankward and I would have to edit the >> linkage every time my object is changed, isn't true? >> >> Regards, >> Vitor
