log

func Debug(v ...interface{})

func DebugJson(v interface{})

func DebugV(v interface{})

func Debugf(format string, v ...interface{})

func EnableDebug()

func Error(v ...interface{})

func Errorf(format string, v ...interface{})

func ExitOnFatal()

func Fatal(v ...interface{})

func Fatalf(format string, v ...interface{})

func Info(v ...interface{})

func Infof(format string, v ...interface{})

func Logger() *log.Logger

func Warn(v ...interface{})

func Warnf(format string, v ...interface{})