Method ResetBackend

catboost/libs/logging/logging.cpp:133–138

}

void TCatboostLog::ResetBackend(THolder<TLogBackend>&& lowPriorityBackend, THolder<TLogBackend>&& highPriorityBackend) {
    if (IsCustomBackendSpecified.exchange(true)) {
        CATBOOST_WARNING_LOG << "Custom logger is already specified. Specify more than one logger at same time is not thread safe.";
    }
    ImplHolder->ResetBackend(std::move(lowPriorityBackend), std::move(highPriorityBackend));
}

void TCatboostLog::ResetTraceBackend(THolder<TLogBackend>&& traceBackend /*= THolder<TLogBackend>()*/) {
    HaveTraceLog = (bool)traceBackend;