google-benchmark/src/log.h

14 class LogType {
15   friend LogType& GetNullLogInstance();
16   friend LogType& GetErrorLogInstance();
20   friend LogType& operator<<(LogType&, Tp const&);
21   friend LogType& operator<<(LogType&, EndLType*);
24   LogType(std::ostream* out) : out_(out) {}
26   BENCHMARK_DISALLOW_COPY_AND_ASSIGN(LogType);
30 LogType& operator<<(LogType& log, Tp const& value) {
37 inline LogType& operator<<(LogType& log, EndLType* m) {
49 inline LogType& GetNullLogInstance() {
50   static LogType log(nullptr);
54 inline LogType& GetErrorLogInstance() {
55   static LogType log(&std::clog);
59 inline LogType& GetLogInstanceForLevel(int level) {