nest a function for readable

main.go

@@ -49,17 +49,19 @@ func matrixrecv() error {
 	if err != nil {
 		return err
 	}
-	states := map[string]map[config.State]struct{}{}
+	func() {
-	for _, msg := range messages {
+		states := map[string]map[config.State]struct{}{}
-		if _, ok := states[msg.Sender]; ok {
+		for _, msg := range messages {
-			continue
+			if _, ok := states[msg.Sender]; ok {
+				continue
+			}
+			states[msg.Sender] = map[config.State]struct{}{}
+			for _, state := range parseOutStates([]byte(msg.Content)) {
+				states[msg.Sender][state] = struct{}{}
+			}
 		}
-		states[msg.Sender] = map[config.State]struct{}{}
+		setNewStates(states)
-		for _, state := range parseOutStates([]byte(msg.Content)) {
+	}()
-			states[msg.Sender][state] = struct{}{}
-		}
-	}
-	setNewStates(states)
 	return nil
 }