fix: simplify implementation further

src/RandomIntegerAggregate.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace loophp\iterators;
+
+use Generator;
+use IteratorAggregate;
+
+use const PHP_INT_MAX;
+
+/**
+ * @template TKey
+ * @template T
+ *
+ * @implements IteratorAggregate<TKey, T>
+ */
+final class RandomIntegerAggregate implements IteratorAggregate
+{
+    public function __construct(
+        private readonly ?int $seed = null,
+        private readonly int $min = 0,
+        private readonly int $max = PHP_INT_MAX,
+    ) {}
+
+    /**
+     * @return Generator<TKey, T>
+     */
+    public function getIterator(): Generator
+    {
+        if (null !== $this->seed) {
+            mt_srand($this->seed);
+        }
+
+        while (true) {
+            yield mt_rand($this->min, $this->max);
+        }
+    }
+}

src/RandomIterableAggregate.php

@@ -25,14 +25,12 @@ public function __construct(private readonly iterable $iterable, private readonl
      */
     public function getIterator(): Generator
     {
-        $cache = new CachingIteratorAggregate((new PackIterableAggregate($this->iterable))->getIterator());
-
         yield from new UnpackIterableAggregate(
             new UnpackIterableAggregate(
                 new SortIterableAggregate(
                     new MultipleIterableAggregate([
-                        new ShuffleIteratorAggregate(iterator_count($cache), $this->seed),
-                        $cache,
+                        new RandomIntegerAggregate(seed: $this->seed),
+                        new PackIterableAggregate($this->iterable),
                     ]),
                     static fn (array $a, array $b): int => $a[0] <=> $b[0]
                 )