Also, not using Apple's libobjc misses out on years of optimisation. e.g. compare the implementations of objc_sync_enter() (not that @synchronized is necessaril

Also, not using Apple's libobjc misses out on years of optimisation. e.g. compare the implementations of objc_sync_enter() (not that @synchronized is necessarily that common). Couldn't find their implementation of objc_msgSend, interestingly...