[DependencyInjection] Support @> as a shorthand for !service_closure in YamlFileLoader (Issue symfony#59255)

Author: chx

src/Symfony/Component/DependencyInjection/CHANGELOG.md

@@ -5,6 +5,7 @@ CHANGELOG
 ---
 
  * Make `#[AsTaggedItem]` repeatable
+ * Support `@>` as a shorthand for `!service_closure` in yaml files
 
 7.2
 ---

src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php

@@ -923,6 +923,11 @@ private function resolveServices(mixed $value, string $file, bool $isParameter =
 
             return new Expression(substr($value, 2));
         } elseif (\is_string($value) && str_starts_with($value, '@')) {
+            if (str_starts_with($value, '@>')) {
+                $argument = $this->resolveServices(substr_replace($value, '', 1, 1), $file, $isParameter);
+
+                return new ServiceClosureArgument($argument);
+            }
             if (str_starts_with($value, '@@')) {
                 $value = substr($value, 1);
                 $invalidBehavior = null;

src/Symfony/Component/DependencyInjection/Tests/Fixtures/yaml/services_with_short_service_closure.yml

@@ -0,0 +1,8 @@
+services:
+    service_container:
+        class: Symfony\Component\DependencyInjection\ContainerInterface
+        public: true
+        synthetic: true
+    foo:
+        class: Foo
+        arguments: ['@>bar']

src/Symfony/Component/DependencyInjection/Tests/Loader/YamlFileLoaderTest.php

@@ -466,6 +466,15 @@ public function testParseServiceClosure()
         $this->assertEquals(new ServiceClosureArgument(new Reference('bar', ContainerInterface::IGNORE_ON_INVALID_REFERENCE)), $container->getDefinition('foo')->getArgument(0));
     }
 
+    public function testParseShortServiceClosure()
+    {
+        $container = new ContainerBuilder();
+        $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
+        $loader->load('services_with_short_service_closure.yml');
+
+        $this->assertEquals(new ServiceClosureArgument(new Reference('bar')), $container->getDefinition('foo')->getArgument(0));
+    }
+
     public function testNameOnlyTagsAreAllowedAsString()
     {
         $container = new ContainerBuilder();