Function BenchFormatStream

util/datetime/benchmark/format/main.cpp:21–29

};

Y_FORCE_INLINE static void BenchFormatStream(auto&& formatFn, benchmark::State& state) {
    TTimestampGenerator gen;
    TStringStream ss;
    for (auto _ : state) {
        ss << formatFn(gen());
        Y_DO_NOT_OPTIMIZE_AWAY(ss.Str());
        ss.clear();
    }
}

Y_FORCE_INLINE static void BenchToString(auto&& toStringFn, benchmark::State& state) {
    TTimestampGenerator gen;