Merge pull request #460 from danharrin/feature/each-keys

feature: Pass `each()` keys to closures

src/Expectation.php

@@ -125,8 +125,8 @@ final class Expectation
         }
 
         if (is_callable($callback)) {
-            foreach ($this->value as $item) {
-                $callback(new self($item));
+            foreach ($this->value as $key => $item) {
+                $callback(new self($item), $key);
             }
         }
 

tests/Features/Expect/each.php

@@ -87,3 +87,11 @@ it('accepts callables', function () {
 
     expect(static::getCount())->toBe(12);
 });
+
+it('passes the key of the current item to callables', function () {
+    expect([1, 2, 3])->each(function ($number, $key) {
+        expect($key)->toBeInt();
+    });
+
+    expect(static::getCount())->toBe(3);
+});