Fix All operation for standalone usage (#215)

docs/pages/code/operations/all.php

@@ -9,8 +9,12 @@
 
 namespace App;
 
+use ArrayIterator;
 use Generator;
 use loophp\collection\Collection;
+use loophp\collection\Operation\All;
+use loophp\collection\Operation\Filter;
+use loophp\collection\Operation\Pipe;
 
 include __DIR__ . '/../../../../vendor/autoload.php';
 
@@ -36,3 +40,9 @@
 
 print_r($collection->all(false)); // ['foo' => 1, 'bar' => 2]
 print_r($collection->all()); // [1, 2]
+
+// Example 3 -> standalone operation usage
+$even = static fn (int $value): bool => $value % 2 === 0;
+
+$piped = Pipe::of()(Filter::of()($even), All::of()(true))(new ArrayIterator([1, 2, 3, 4]));
+print_r(iterator_to_array($piped)); // [2, 4]

src/Collection.php

@@ -178,7 +178,7 @@ private function __construct(callable $callable, iterable $parameters = [])
 
     public function all(bool $normalize = true): array
     {
-        return All::of()($normalize)($this->getIterator());
+        return iterator_to_array(All::of()($normalize)($this->getIterator()));
     }
 
     public function append(...$items): CollectionInterface

src/Operation/All.php

@@ -23,22 +23,20 @@ final class All extends AbstractOperation
     /**
      * @pure
      *
-     * @return Closure(bool): Closure(Iterator<TKey, T>): list<T>|array<TKey, T>
+     * @return Closure(bool): Closure(Iterator<TKey, T>): Iterator<int, T>|Iterator<TKey, T>
      */
     public function __invoke(): Closure
     {
         return
             /**
-             * @return Closure(Iterator<TKey, T>): list<T>|array<TKey, T>
+             * @return Closure(Iterator<TKey, T>): Iterator<int, T>|Iterator<TKey, T>
              */
             static fn (bool $normalize): Closure =>
                 /**
                  * @param Iterator<TKey, T> $iterator
                  *
-                 * @return array<TKey, T>|list<T>
+                 * @return Iterator<int, T>|Iterator<TKey, T>
                  */
-                static fn (Iterator $iterator): array => $normalize
-                    ? iterator_to_array((new Normalize())()($iterator))
-                    : iterator_to_array($iterator);
+                static fn (Iterator $iterator): Iterator => $normalize ? (new Normalize())()($iterator) : $iterator;
     }
 }