docs: Update typing information.

loophp · Jan 26, 2021 · 0f2d096 · 0f2d096
1 parent 34d626c
commit 0f2d096
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Showing 3 changed files with 12 additions and 2 deletions.
diff --git a/src/Operation/Last.php b/src/Operation/Last.php
@@ -37,6 +37,10 @@ static function (Iterator $iterator): Iterator {
                     return new EmptyIterator();
                 }
 
+                /**
+                 * @psalm-var TKey $key
+                 * @psalm-var T $current
+                 */
                 return yield $key => $current;
             };
     }

diff --git a/src/Operation/Unfold.php b/src/Operation/Unfold.php
@@ -40,7 +40,10 @@ public function __invoke(): Closure
                      */
                     static function () use ($parameters, $callback): Generator {
                         while (true) {
-                            yield $parameters = $callback(...array_values((array) $parameters));
+                            /** @psalm-var T $parameters */
+                            $parameters = $callback(...array_values((array) $parameters));
+
+                            yield $parameters;
                         }
                     };
     }

diff --git a/src/Operation/Unwindow.php b/src/Operation/Unwindow.php
@@ -25,9 +25,12 @@ public function __invoke(): Closure
             /**
              * @psalm-param iterable<TKey, list<T>> $iterable
              *
-             * @psalm-return T
+             * @psalm-return T|null
              */
             static function (iterable $iterable) {
+                $value = null;
+
+                /** @psalm-var T $value */
                 foreach ($iterable as $value) {
                 }