Document assumptions

sebastianbergmann · Oct 6, 2020 · 104c77a · 104c77a
1 parent e494dca
commit 104c77a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/ReflectionMapper.php b/src/ReflectionMapper.php
@@ -67,9 +67,13 @@ public function fromMethodReturnType(ReflectionMethod $method): Type
             );
         }
 
+        assert($returnType instanceof ReflectionUnionType);
+
         $types = [];
 
         foreach ($returnType->getTypes() as $type) {
+            assert($type instanceof ReflectionNamedType);
+
             if ($type->getName() === 'self') {
                 $types[] = ObjectType::fromName(
                     $method->getDeclaringClass()->getName(),