log

func Debug(args ...interface{})

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

func Error(args ...interface{})

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

func Fatal(args ...interface{})

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

func Info(args ...interface{})

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

func Panic(args ...interface{})

func Panicf(format string, args ...interface{})

func Setup() error

func Trace(args ...interface{})

func Tracef(format string, args ...interface{})

func Warn(args ...interface{})

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