Add String method to all interfaces

selector/blacklist/black_list_selector.go

@@ -143,6 +143,10 @@ func (r *blackListSelector) Close() error {
 	return nil
 }
 
+func (r *blackListSelector) String() string {
+	return "blacklist"
+}
+
 func NewSelector(opts ...selector.Option) selector.Selector {
 	var sopts selector.Options
 

selector/random_selector.go

@@ -74,6 +74,10 @@ func (r *randomSelector) Close() error {
 	return nil
 }
 
+func (r *randomSelector) String() string {
+	return "random"
+}
+
 func newRandomSelector(opts ...Option) Selector {
 	var sopts Options
 

selector/roundrobin/round_robin_selector.go

@@ -73,6 +73,10 @@ func (r *roundRobinSelector) Close() error {
 	return nil
 }
 
+func (r *roundRobinSelector) String() string {
+	return "roundrobin"
+}
+
 func NewSelector(opts ...selector.Option) selector.Selector {
 	var sopts selector.Options
 

selector/selector.go

@@ -72,6 +72,8 @@ type Selector interface {
 	Reset(service string)
 	// Close renders the selector unusable
 	Close() error
+	// Name of the selector
+	String() string
 }
 
 // Next is a function that returns the next node