TraitType: traits cannot have constants

Author: dg

src/PhpGenerator/Factory.php

@@ -137,7 +137,9 @@ public function fromClassReflection(
 			}
 		}
 
-		$class->setConstants($consts);
+		if ($consts) {
+			$class->setConstants($consts);
+		}
 		if ($cases) {
 			$class->setCases($cases);
 		}

src/PhpGenerator/Printer.php

@@ -161,12 +161,10 @@ public function printClass(ClassLike $class, ?PhpNamespace $namespace = null): s
 		}
 
 		$consts = [];
-		$methods = [];
 		if (
 			$class instanceof ClassType
 			|| $class instanceof InterfaceType
 			|| $class instanceof EnumType
-			|| $class instanceof TraitType
 		) {
 			foreach ($class->getConstants() as $const) {
 				$def = ($const->isFinal() ? 'final ' : '')
@@ -178,7 +176,15 @@ public function printClass(ClassLike $class, ?PhpNamespace $namespace = null): s
 					. $def
 					. $this->dump($const->getValue(), strlen($def)) . ";\n";
 			}
+		}
 
+		$methods = [];
+		if (
+			$class instanceof ClassType
+			|| $class instanceof InterfaceType
+			|| $class instanceof EnumType
+			|| $class instanceof TraitType
+		) {
 			foreach ($class->getMethods() as $method) {
 				$methods[] = $this->printMethod($method, $namespace, $class->isInterface());
 			}

src/PhpGenerator/TraitType.php

@@ -20,7 +20,6 @@
  */
 final class TraitType extends ClassLike
 {
-	use Traits\ConstantsAware;
 	use Traits\MethodsAware;
 	use Traits\PropertiesAware;
 	use Traits\TraitsAware;
@@ -29,7 +28,6 @@ public function addMember(Method|Property|Constant|TraitUse $member): static
 	{
 		$name = $member->getName();
 		[$type, $n] = match (true) {
-			$member instanceof Constant => ['consts', $name],
 			$member instanceof Method => ['methods', strtolower($name)],
 			$member instanceof Property => ['properties', $name],
 			$member instanceof TraitUse => ['traits', $name],
@@ -45,7 +43,6 @@ public function addMember(Method|Property|Constant|TraitUse $member): static
 	public function __clone()
 	{
 		$clone = fn($item) => clone $item;
-		$this->consts = array_map($clone, $this->consts);
 		$this->methods = array_map($clone, $this->methods);
 		$this->properties = array_map($clone, $this->properties);
 		$this->traits = array_map($clone, $this->traits);