Index of Classes & Methods in logger: Ruby Standard Library Documentation (Ruby 2.3.4) Home Core 2.3.4 Std-lib 2.3.4 Downloads logger: Ruby Standard Library Documentation Ruby 2.3.4 This is the API documentation for logger: Ruby Standard Library Documentation. Classes CLogger CLogger::Formatter CLogger::LogDevice MLogger::Period MLogger::Severity Methods ::new (Logger) ::new (Logger::Formatter) ::new (Logger::LogDevice) #<< (Logger) #add (Logger) #call (Logger::Formatter) #close (Logger) #close (Logger::LogDevice) #datetime_format (Logger) #datetime_format= (Logger) #debug (Logger) #debug? (Logger) #error (Logger) #error? (Logger) #fatal (Logger) #fatal? (Logger) #info (Logger) #info? (Logger) #level= (Logger) #log (Logger) #next_rotate_time (Logger::Period) #previous_period_end (Logger::Period) #reopen (Logger::LogDevice) #reopen (Logger) #sev_threshold= (Logger) #unknown (Logger) #warn (Logger) #warn? (Logger) #write (Logger::LogDevice)