> > > > the Mutable object itself is responsible for intercepting events denoting > when the collection is associated with a parent and mutating the .parents > collection. If a single Mutable object wishes to refer to one or more > sub-objects that also are Mutable, they would best take the approach of > either propagating their change up to the parent Mutable object which then > calls changed(), or by sharing the same ._parents collection among all > objects in the structure. > > Awesome, this is what I was looking for. Thanks! Might be worth updating the documentation with something like this.
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