v0.0.567 Add ListenerOpt to exerr.RegisterListener (this is a breking API change !! -- but will prevent more breakage later on...)

exerr/listener.go

@@ -4,7 +4,11 @@ import (
 	"sync"
 )
 
-type Listener = func(method Method, v *ExErr)
+type ListenerOpt struct {
+	NoLog bool
+}
+
+type Listener = func(method Method, v *ExErr, opt ListenerOpt)
 
 var listenerLock = sync.Mutex{}
 var listener = make([]Listener, 0)
@@ -16,11 +20,11 @@ func RegisterListener(l Listener) {
 	listener = append(listener, l)
 }
 
-func (ee *ExErr) CallListener(m Method) {
+func (ee *ExErr) CallListener(m Method, opt ListenerOpt) {
 	listenerLock.Lock()
 	defer listenerLock.Unlock()
 
 	for _, v := range listener {
-		v(m, ee)
+		v(m, ee, opt)
 	}
 }