generify options.
@@ -10,7 +10,8 @@ var closeEmit struct{}
type subSettings struct {
forcedType reflect.Type
}
-type SubOption func(*subSettings) error
+
+type SubOption func(interface{}) error
// ForceSubType is a Subscribe option which overrides the type to which
// the subscription will be done. Note that the evtType must be assignable
@@ -29,7 +30,8 @@ type SubOption func(*subSettings) error
// cancel, err := eventbus.Subscribe(eventCh, event.ForceSubType(new(Event)))
// [...]
func ForceSubType(evtType interface{}) SubOption {
- return func(s *subSettings) error {
+ return func(settings interface{}) error {
+ s := settings.(*subSettings)
typ := reflect.TypeOf(evtType)
if typ.Kind() != reflect.Ptr {
return errors.New("ForceSubType called with non-pointer type")
@@ -42,7 +44,7 @@ func ForceSubType(evtType interface{}) SubOption {
type emitterSettings struct {
makeStateful bool
}
-type EmitterOption func(*emitterSettings)
+type EmitterOption func(interface{}) error
// Stateful is an Emitter option which makes makes the eventbus channel
// 'remember' last event sent, and when a new subscriber joins the
