13 friend LogType& GetNullLogInstance();
14 friend LogType& GetErrorLogInstance();
18 friend LogType& operator<<(LogType&, Tp
const&);
19 friend LogType& operator<<(LogType&, EndLType*);
22 LogType(std::ostream* out) : out_(out) {}
27 LogType(
const LogType&) =
delete;
28 LogType& operator=(
const LogType&) =
delete;