From 2b34b1228b3473912286139174fe3749204db77e Mon Sep 17 00:00:00 2001
From: hirokinoue <70567194+hirokinoue@users.noreply.github.com>
Date: Fri, 29 Apr 2022 00:36:28 +0900
Subject: [PATCH] handle the non-empty case for usort()

---
 stubs/CoreGenericFunctions.phpstub | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/stubs/CoreGenericFunctions.phpstub b/stubs/CoreGenericFunctions.phpstub
index 32bd501a20c..a1fe41a66d1 100644
--- a/stubs/CoreGenericFunctions.phpstub
+++ b/stubs/CoreGenericFunctions.phpstub
@@ -219,10 +219,11 @@ function rsort(array &$array, int $flags = SORT_REGULAR): bool
 
 /**
  * @psalm-template T
+ * @psalm-template TArray as array<T>
  *
- * @param T[] $array
+ * @param TArray $array
  * @param callable(T,T):int $callback
- * @param-out list<T> $array
+ * @param-out (TArray is non-empty-array ? non-empty-list<T> : list<T>) $array
  */
 function usort(array &$array, callable $callback): bool
 {