logger

type ConsoleHander struct {
	LogHandler
}

type FileHandler struct {
	LogHandler
	// contains filtered or unexported fields
}

type Handler interface {
	SetOutput(w io.Writer)
	Output(calldepth int, s string) error
	Printf(format string, v ...interface{})
	Print(v ...interface{})
	Println(v ...interface{})
	Fatal(v ...interface{})
	Fatalf(format string, v ...interface{})
	Fatalln(v ...interface{})

	Debug(v ...interface{})
	Debugf(format string, v ...interface{})
	Info(v ...interface{})
	Infof(format string, v ...interface{})
	Warn(v ...interface{})
	Warnf(format string, v ...interface{})
	Error(v ...interface{})
	Errorf(format string, v ...interface{})

	ErrorD(calldepth int, v ...interface{})

	Flags() int
	SetFlags(flag int)
	Prefix() string
	SetPrefix(prefix string)
	// contains filtered or unexported methods
}

type Level int32

type LogHandler struct {
	// contains filtered or unexported fields
}

type RotatingHandler struct {
	LogHandler
	// contains filtered or unexported fields
}