Changed RecordCollection encapsulation type from array -> mixed.

Author: Bilge

src/Collection/PorterRecords.php

@@ -11,7 +11,7 @@ public function __construct(RecordCollection $records, private readonly Import $
     {
         parent::__construct($records, $records);
 
-        // Force generators to run to first suspension point.
+        // Force generators to run to the first suspension point.
         $records->valid();
     }
 

src/Collection/RecordCollection.php

@@ -12,8 +12,7 @@ public function __construct(private readonly \Iterator $records, private readonl
     {
     }
 
-    // TODO: Consider throwing our own exception type for clarity, instead of relying on PHP's TypeError.
-    public function current(): array
+    public function current(): mixed
     {
         return $this->records->current();
     }

src/Porter.php

@@ -62,12 +62,12 @@ public function import(Import $import): PorterRecords|CountablePorterRecords
      *
      * @param Import $import Import specification.
      *
-     * @return array|null Record.
+     * @return mixed Record.
      *
      * @throws IncompatibleResourceException Resource does not implement required interface.
      * @throws ImportException More than one record was imported.
      */
-    public function importOne(Import $import): ?array
+    public function importOne(Import $import): mixed
     {
         if (!$import->getResource() instanceof SingleRecordResource) {
             throw IncompatibleResourceException::createMustImplementInterface();

test/Unit/Collection/RecordCollectionTest.php

@@ -40,18 +40,16 @@ public function testFindFirstCollection(): void
     }
 
     /**
-     * Tests that when a RecordCollection yields a non-array datum, an exception is thrown.
+     * Tests that when a RecordCollection yields a non-array datum, the datum is returned as-is.
      */
     public function testNonArrayYield(): void
     {
         /** @var RecordCollection $collection */
         $collection = \Mockery::mock(
             RecordCollection::class,
-            [new \ArrayIterator(['foo'])]
+            [new \ArrayIterator([$datum = 'foo'])]
         )->makePartial();
 
-        $this->expectException(\TypeError::class);
-        $this->expectExceptionMessageMatches('[must be of( the)? type array]');
-        $collection->current();
+        self::assertSame($datum, $collection->current());
     }
 }