Use arrow functions

Author: thekid

src/main/php/lang/reflection/Member.class.php

@@ -26,9 +26,9 @@ public function __construct($reflect, $annotations= null) {
    */
   public static function resolve($reflect) {
     return [
-      'static' => function() use($reflect) { return new XPClass($reflect->class); },
-      'self'   => function() use($reflect) { return new XPClass($reflect->getDeclaringClass()); },
-      'parent' => function() use($reflect) { return new XPClass($reflect->getDeclaringClass()->getParentClass()); },
+      'static' => fn() => new XPClass($reflect->class),
+      'self'   => fn() => new XPClass($reflect->getDeclaringClass()),
+      'parent' => fn() => new XPClass($reflect->getDeclaringClass()->getParentClass()),
       '*'      => function($type) use($reflect) {
         $declared= $reflect->getDeclaringClass();
         $imports= Reflection::meta()->scopeImports($declared);

src/main/php/xp/reflection/TypeInformation.class.php

@@ -53,12 +53,12 @@ protected function extends($type) {
 
   protected function implements($type) {
     $i= $type->interfaces();
-    return $i ? ' implements '.implode(', ', array_map(function($t) { return $t->name(); }, $i)) : '';
+    return $i ? ' implements '.implode(', ', array_map(fn($t) => $t->name(), $i)) : '';
   }
 
   protected function parents($type) {
     $i= $type->interfaces();
-    return $i ? ' extends '.implode(', ', array_map(function($t) { return $t->name(); }, $i)) : '';
+    return $i ? ' extends '.implode(', ', array_map(fn($t) => $t->name(), $i)) : '';
   }
 
   protected function partition($members) {