in hessian2/basic_codec/date_codec.cc [29:41]
void writeDate(WriterPtr &writer, const T &value) {
int64_t value_in_min =
std::chrono::duration_cast<std::chrono::minutes>(value).count();
int64_t value_in_ms =
std::chrono::duration_cast<std::chrono::milliseconds>(value).count();
if (value_in_min * 60000 == value_in_ms) {
writer->writeByte(0x4b);
writer->writeBE<int32_t>(value_in_min);
} else {
writer->writeByte(0x4a);
writer->writeBE<int64_t>(value_in_ms);
}
}