Hi!
As one of the Haskell list denizens commented, is there a potential for memory leakage if lambdas implicitly import $this when defined within an object
Not really leakage (if refcounts done right) but lifetimes extending beyond what is expected - i.e. if some instance of closure generated by the object is alive then the object is alive. If that's an issue, it can be improved by storing $this only for closures that actually use it (those messing with $$var will be in trouble).
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