logs

type Formatter string

type Level string

type Logger interface {
	Info(...interface{})
	Infof(string, ...interface{})
	Debug(...interface{})
	Debugf(string, ...interface{})
	Error(...interface{})
	Errorf(string, ...interface{})
	Warning(...interface{})
	Warningf(string, ...interface{})
	Fatal(...interface{})
	Fatalf(string, ...interface{})
	Print(...interface{})
	Printf(string, ...interface{})
	Instance() interface{}
}

type Option struct {
	Level       Level
	LogFilePath string
	Formatter   Formatter
}