#97 add As for all interface.

broker/wrap.go

@@ -1,34 +0,0 @@
-package broker
-
-import (
-	"reflect"
-)
-
-func As(b Broker, target any) bool {
-	if b == nil {
-		return false
-	}
-	if target == nil {
-		return false
-	}
-	val := reflect.ValueOf(target)
-	typ := val.Type()
-	if typ.Kind() != reflect.Ptr || val.IsNil() {
-		return false
-	}
-	targetType := typ.Elem()
-	if targetType.Kind() != reflect.Interface && !targetType.Implements(brokerType) {
-		return false
-	}
-	return as(b, val, targetType)
-}
-
-func as(b Broker, targetVal reflect.Value, targetType reflect.Type) bool {
-	if reflect.TypeOf(b).AssignableTo(targetType) {
-		targetVal.Elem().Set(reflect.ValueOf(b))
-		return true
-	}
-	return false
-}
-
-var brokerType = reflect.TypeOf((*Broker)(nil)).Elem()

micro.go

@@ -0,0 +1,77 @@
+package micro
+
+import (
+	"reflect"
+
+	"go.unistack.org/micro/v4/broker"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/codec"
+	"go.unistack.org/micro/v4/flow"
+	"go.unistack.org/micro/v4/fsm"
+	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/meter"
+	"go.unistack.org/micro/v4/register"
+	"go.unistack.org/micro/v4/resolver"
+	"go.unistack.org/micro/v4/router"
+	"go.unistack.org/micro/v4/selector"
+	"go.unistack.org/micro/v4/server"
+	"go.unistack.org/micro/v4/store"
+	"go.unistack.org/micro/v4/sync"
+	"go.unistack.org/micro/v4/tracer"
+)
+
+func As(b any, target any) bool {
+	if b == nil {
+		return false
+	}
+	if target == nil {
+		return false
+	}
+	val := reflect.ValueOf(target)
+	typ := val.Type()
+	if typ.Kind() != reflect.Ptr || val.IsNil() {
+		return false
+	}
+	targetType := typ.Elem()
+	if targetType.Kind() != reflect.Interface &&
+		!(targetType.Implements(brokerType) ||
+			targetType.Implements(loggerType) ||
+			targetType.Implements(clientType) ||
+			targetType.Implements(serverType) ||
+			targetType.Implements(codecType) ||
+			targetType.Implements(flowType) ||
+			targetType.Implements(fsmType) ||
+			targetType.Implements(meterType) ||
+			targetType.Implements(registerType) ||
+			targetType.Implements(resolverType) ||
+			targetType.Implements(selectorType) ||
+			targetType.Implements(storeType) ||
+			targetType.Implements(syncType) ||
+			targetType.Implements(tracerType) ||
+			targetType.Implements(serviceType) ||
+			targetType.Implements(routerType)) {
+		return false
+	}
+	if reflect.TypeOf(b).AssignableTo(targetType) {
+		val.Elem().Set(reflect.ValueOf(b))
+		return true
+	}
+	return false
+}
+
+var brokerType = reflect.TypeOf((*broker.Broker)(nil)).Elem()
+var loggerType = reflect.TypeOf((*logger.Logger)(nil)).Elem()
+var clientType = reflect.TypeOf((*client.Client)(nil)).Elem()
+var serverType = reflect.TypeOf((*server.Server)(nil)).Elem()
+var codecType = reflect.TypeOf((*codec.Codec)(nil)).Elem()
+var flowType = reflect.TypeOf((*flow.Flow)(nil)).Elem()
+var fsmType = reflect.TypeOf((*fsm.FSM)(nil)).Elem()
+var meterType = reflect.TypeOf((*meter.Meter)(nil)).Elem()
+var registerType = reflect.TypeOf((*register.Register)(nil)).Elem()
+var resolverType = reflect.TypeOf((*resolver.Resolver)(nil)).Elem()
+var routerType = reflect.TypeOf((*router.Router)(nil)).Elem()
+var selectorType = reflect.TypeOf((*selector.Selector)(nil)).Elem()
+var storeType = reflect.TypeOf((*store.Store)(nil)).Elem()
+var syncType = reflect.TypeOf((*sync.Sync)(nil)).Elem()
+var tracerType = reflect.TypeOf((*tracer.Tracer)(nil)).Elem()
+var serviceType = reflect.TypeOf((*Service)(nil)).Elem()

micro_test.go

@@ -1,4 +1,4 @@
-package broker
+package micro
 
 import (
 	"context"
@@ -6,45 +6,18 @@ import (
 	"reflect"
 	"testing"
 
+	"go.unistack.org/micro/v4/broker"
+	"go.unistack.org/micro/v4/fsm"
 	"go.unistack.org/micro/v4/options"
 )
 
-type bro struct {
-	name string
-}
-
-func (p *bro) Name() string                      { return p.name }
-func (p *bro) Init(opts ...options.Option) error { return nil }
-
-// Options returns broker options
-func (p *bro) Options() Options { return Options{} }
-
-// Address return configured address
-func (p *bro) Address() string { return "" }
-
-// Connect connects to broker
-func (p *bro) Connect(ctx context.Context) error { return nil }
-
-// Disconnect disconnect from broker
-func (p *bro) Disconnect(ctx context.Context) error { return nil }
-
-// Publish message, msg can be single broker.Message or []broker.Message
-func (p *bro) Publish(ctx context.Context, msg interface{}, opts ...options.Option) error { return nil }
-
-// Subscribe subscribes to topic message via handler
-func (p *bro) Subscribe(ctx context.Context, topic string, handler interface{}, opts ...options.Option) (Subscriber, error) {
-	return nil, nil
-}
-
-// String type of broker
-func (p *bro) String() string { return p.name }
-
 func TestAs(t *testing.T) {
 	var b *bro
 	broTarget := &bro{name: "kafka"}
+	fsmTarget := &fsmT{name: "fsm"}
 
 	testCases := []struct {
-		b      Broker
+		b      any
 		target any
 		match  bool
 		want   any
@@ -61,6 +34,12 @@ func TestAs(t *testing.T) {
 			false,
 			nil,
 		},
+		{
+			fsmTarget,
+			&b,
+			false,
+			nil,
+		},
 	}
 	for i, tc := range testCases {
 		name := fmt.Sprintf("%d:As(Errorf(..., %v), %v)", i, tc.b, tc.target)
@@ -81,3 +60,44 @@ func TestAs(t *testing.T) {
 		})
 	}
 }
+
+type bro struct {
+	name string
+}
+
+func (p *bro) Name() string                      { return p.name }
+func (p *bro) Init(opts ...options.Option) error { return nil }
+
+// Options returns broker options
+func (p *bro) Options() broker.Options { return broker.Options{} }
+
+// Address return configured address
+func (p *bro) Address() string { return "" }
+
+// Connect connects to broker
+func (p *bro) Connect(ctx context.Context) error { return nil }
+
+// Disconnect disconnect from broker
+func (p *bro) Disconnect(ctx context.Context) error { return nil }
+
+// Publish message, msg can be single broker.Message or []broker.Message
+func (p *bro) Publish(ctx context.Context, msg interface{}, opts ...options.Option) error { return nil }
+
+// Subscribe subscribes to topic message via handler
+func (p *bro) Subscribe(ctx context.Context, topic string, handler interface{}, opts ...options.Option) (broker.Subscriber, error) {
+	return nil, nil
+}
+
+// String type of broker
+func (p *bro) String() string { return p.name }
+
+type fsmT struct {
+	name string
+}
+
+func (f *fsmT) Start(ctx context.Context, a interface{}, o ...Option) (interface{}, error) {
+	return nil, nil
+}
+func (f *fsmT) Current() string                  { return f.name }
+func (f *fsmT) Reset()                           {}
+func (f *fsmT) State(s string, sf fsm.StateFunc) {}