This is the API documentation for logger: Ruby Standard Library Documentation.
CLogger
CLogger::Application
CLogger::Error
CLogger::Formatter
CLogger::LogDevice
CLogger::LogDevice::LogDeviceMutex
MLogger::Severity
CLogger::ShiftingError
::new (Logger)
::new (Logger::Application)
::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::Application)
#log (Logger)
#log (Logger::Application)
#log= (Logger::Application)
#set_log (Logger::Application)
#start (Logger::Application)
#unknown (Logger)
#warn (Logger)
#warn? (Logger)
#write (Logger::LogDevice)