Add support for variadic

Author: thekid

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

@@ -96,7 +96,9 @@ public function parameters(): Parameters {
   public static function pass($reflect, $args) {
     $pass= [];
     foreach ($reflect->getParameters() as $i => $param) {
-      if (isset($args[$param->name])) {
+      if ($param->isVariadic()) {
+        while ($args) $pass[]= array_shift($args);
+      } else if (isset($args[$param->name])) {
         $pass[]= $args[$param->name];
         unset($args[$param->name]);
       } else if (isset($args[$i])) {

src/test/php/lang/reflection/unittest/ArgumentPassingTest.class.php

@@ -72,4 +72,16 @@ public function pass_without_optional() {
     $f= new ReflectionFunction(fn($a, $b= 0) => null);
     Assert::equals([1, 0], Routine::pass($f, [1]));
   }
+
+  #[Test]
+  public function pass_variadic() {
+    $f= new ReflectionFunction(fn(... $a) => null);
+    Assert::equals([1, 2], Routine::pass($f, [1, 2]));
+  }
+
+  #[Test]
+  public function pass_variadic_after() {
+    $f= new ReflectionFunction(fn($a, ... $b) => null);
+    Assert::equals([1, 2, 3], Routine::pass($f, [1, 2, 3]));
+  }
 }