Function writeUnsigned64

mgen-cpplib/src/main/cpp/mgen/serialization/VarInt.h:102–108

template<typename Stream>
inline void writeUnsigned64(unsigned long long value, Stream& out) {
    while ((value & 0xFFFFFFFFFFFFFF80LL) != 0LL) {
        writeByte((value & 0x7F) | 0x80, out);
        value >>= 7;
    }
    writeByte(value & 0x7F, out);
}

template<typename Stream>
inline void writeSigned32(int value, Stream& out) {