Do not cache count result

src/Result.php

@@ -20,13 +20,10 @@ class Result implements OuterIterator, Countable
  /** @var Iterator */
  protected $iterator;
 
- /** @var null|int */
- protected $count;
-
  public function __construct(Criteria $criteria, Iterator $iterator)
  {
- $this->iterator = $iterator;
  $this->criteria = $criteria;
+ $this->iterator = $iterator;
  }
 
  public function getInnerIterator(): Iterator
@@ -51,19 +48,11 @@ public function first()
 
  public function count(): int
  {
- if ($this->count !== null) {
- return $this->count;
- }
-
- $this->count = 0;
-
  if ($this->iterator instanceof Countable) {
- $this->count = count($this->iterator);
- } else {
- $this->count = iterator_count($this->iterator);
+ return count($this->iterator);
  }
 
- return $this->count;
+ return iterator_count($this->iterator);
  }
 
  public function empty(): bool