package dialer var ( DefaultOptions []Option ) type config struct { skipDefault bool interfaceName string addrReuse bool } type Option func(opt *config) func WithInterface(name string) Option { return func(opt *config) { opt.interfaceName = name } } func WithAddrReuse(reuse bool) Option { return func(opt *config) { opt.addrReuse = reuse } } func WithSkipDefault(skip bool) Option { return func(opt *config) { opt.skipDefault = skip } }