use constant & fix variable naming

src/Attribute/Subscribe.php

@@ -11,7 +11,7 @@ final class Subscribe
 {
     public const ALL = '*';
 
-    /** @param class-string|'*' $eventClass */
+    /** @param class-string|self::ALL $eventClass */
     public function __construct(
         public readonly string $eventClass,
     ) {

src/EventBus/AttributeListenerProvider.php

@@ -26,7 +26,7 @@ public function listenersForEvent(object $event): iterable
         if ($this->subscribeMethods !== null) {
             return array_merge(
                 $this->subscribeMethods[$event::class] ?? [],
-                $this->subscribeMethods['*'] ?? [],
+                $this->subscribeMethods[Subscribe::ALL] ?? [],
             );
         }
 
@@ -52,7 +52,7 @@ public function listenersForEvent(object $event): iterable
 
         return array_merge(
             $this->subscribeMethods[$event::class] ?? [],
-            $this->subscribeMethods['*'] ?? [],
+            $this->subscribeMethods[Subscribe::ALL] ?? [],
         );
     }
 }

src/EventBus/ListenerDescriptor.php

@@ -20,25 +20,25 @@ public function __construct(callable $callable)
 
         $this->callable = $callable;
 
-        $r = new ReflectionFunction($callable);
+        $reflectionFunction = new ReflectionFunction($callable);
 
-        if (method_exists($r, 'isAnonymous') && $r->isAnonymous()) {
+        if (method_exists($reflectionFunction, 'isAnonymous') && $reflectionFunction->isAnonymous()) {
             $this->name = 'Closure';
 
             return;
         }
 
-        $callable = $r->getClosureThis();
+        $callable = $reflectionFunction->getClosureThis();
 
         if (!$callable) {
-            $class = $r->getClosureCalledClass();
+            $class = $reflectionFunction->getClosureCalledClass();
 
-            $this->name = ($class ? $class->name . '::' : '') . $r->name;
+            $this->name = ($class ? $class->name . '::' : '') . $reflectionFunction->name;
 
             return;
         }
 
-        $this->name = $callable::class . '::' . $r->name;
+        $this->name = $callable::class . '::' . $reflectionFunction->name;
     }
 
     public function name(): string

src/Metadata/Projector/AttributeProjectorMetadataFactory.php

@@ -47,7 +47,7 @@ public function metadata(string $projector): ProjectorMetadata
                 $instance = $attribute->newInstance();
                 $eventClass = $instance->eventClass;
 
-                if ($eventClass === '*') {
+                if ($eventClass === Subscribe::ALL) {
                     throw new SubscribeAllNotSupported(
                         $projector,
                         $method->getName(),

src/WatchServer/WatchListener.php

@@ -14,7 +14,7 @@ public function __construct(
     ) {
     }
 
-    #[Subscribe('*')]
+    #[Subscribe(Subscribe::ALL)]
     public function __invoke(Message $message): void
     {
         try {