plusAssign
Folds another channel's current-tick contribution into this one, mirroring stat_channel::operator+=. Note libtorrent adds the source's counter to both this counter and this total (it does not add the source total).
Folds another channel's current-tick contribution into this one, mirroring stat_channel::operator+=. Note libtorrent adds the source's counter to both this counter and this total (it does not add the source total).