package timerx import "time" type Options struct { logger Logger location *time.Location } func defaultOptions() Options { return Options{ logger: NewLogger(), location: time.Local, } } type Option func(*Options) func newOptions(opts ...Option) Options { o := defaultOptions() for _, opt := range opts { opt(&o) } return o } // 设置日志 func SetLogger(log Logger) Option { return func(o *Options) { o.logger = log } } // 设定时区 func SetTimeZone(zone *time.Location) Option { return func(o *Options) { o.location = zone } }