``` name old time/op new time/op delta RefCounter_Add-8 44.8ns ± 4% 11.7ns ± 3% -73.94% (p=0.000 n=10+10) ``` Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
closes #912
It is convenient to have all reference-counting logic in a separate struct.