I briefly scanned the Lobster reference, but I didn't see how they're dealing with the undecidable cases. Presumably it punts out to the garbage collector for

I briefly scanned the Lobster reference, but I didn't see how they're dealing with the undecidable cases. Presumably it punts out to the garbage collector for objects where lifetime isn't statically decidable, right? My understanding is the answer for "Why doesn't Rust use something like type inference for lifetimes?" is "In the general case, that reduces to the halting problem."