Merge pull request #44865 from Josh-G/patch-1

Fix Collection::combine return docblock

Author: nunomaduro

src/Illuminate/Collections/Collection.php

@@ -807,7 +807,7 @@ public function mergeRecursive($items)
      * @template TCombineValue
      *
      * @param  \Illuminate\Contracts\Support\Arrayable<array-key, TCombineValue>|iterable<array-key, TCombineValue>  $values
-     * @return static<TKey, TCombineValue>
+     * @return static<TValue, TCombineValue>
      */
     public function combine($values)
     {

src/Illuminate/Collections/Enumerable.php

@@ -719,7 +719,7 @@ public function mergeRecursive($items);
      * @template TCombineValue
      *
      * @param  \Illuminate\Contracts\Support\Arrayable<array-key, TCombineValue>|iterable<array-key, TCombineValue>  $values
-     * @return static<TKey, TCombineValue>
+     * @return static<TValue, TCombineValue>
      */
     public function combine($values);
 

src/Illuminate/Collections/LazyCollection.php

@@ -798,7 +798,7 @@ public function mergeRecursive($items)
      * @template TCombineValue
      *
      * @param  \IteratorAggregate<array-key, TCombineValue>|array<array-key, TCombineValue>|(callable(): \Generator<array-key, TCombineValue>)  $values
-     * @return static<TKey, TCombineValue>
+     * @return static<TValue, TCombineValue>
      */
     public function combine($values)
     {

types/Support/Collection.php

@@ -602,6 +602,7 @@ function ($collection, $count) {
 
 assertType('Illuminate\Support\Collection<string, int>', $collection->make(['string' => 'string'])->combine([2]));
 assertType('Illuminate\Support\Collection<int, int>', $collection->make([1])->combine([1]));
+assertType('Illuminate\Support\Collection<string, string>', $collection->make(['string'])->combine(['string']));
 
 assertType('Illuminate\Support\Collection<int, int>', $collection->make([1])->union([1]));
 assertType('Illuminate\Support\Collection<string, string>', $collection->make(['string' => 'string'])->union(['string' => 'string']));