18 stream <<
"YieldKey(" <<
GetBin(key)
std::tuple< Bin, Process, Cut > YieldKey
const Process & GetProcess(const YieldKey &yk)
const Cut & GetCut(const YieldKey &yk)
ostream & operator<<(ostream &stream, const YieldKey &key)
const Bin & GetBin(const YieldKey &yk)