Function WriteHexIntToBufferBackwards

library/cpp/yt/string/string.cpp:266–269

template <>
char* WriteHexIntToBufferBackwards(char* ptr, i32 value, bool uppercase)
{
    return WriteSignedHexIntToBufferBackwardsImpl(ptr, value, uppercase, TStringBuf("-80000000"));
}

template <>
char* WriteHexIntToBufferBackwards(char* ptr, i64 value, bool uppercase)