> Magic just means "I don't understand this" Does this mean I don't understand that objects can have private mutable variables, or that I don't understand rand

> Magic just means "I don't understand this" Does this mean I don't understand that objects can have private mutable variables, or that I don't understand random() or getCurrentTime() ? > The thread "o" is going to be the same in each expression I don't accept the premise that I'll always be on the same thread, and if I did, I wouldn't need thread-local in the first place.