concept_proof_ReactivePropertyObserver
ReactiveProperties without weak_ptr, just shared_ptr. Higher performance (2-5 times).
ReactiveProperties without weak_ptr, just shared_ptr. Higher performance (2-5 times).
ReactiveProperties without weak_ptr, just shared_ptr. Higher performance (2-5 times).
ReactiveProperties without weak_ptr, just shared_ptr. Higher performance (2-5 times).