From 7347cc7e282c4e0bef4416dddb01eba94bf1b30a Mon Sep 17 00:00:00 2001
From: Benjamin Morel <benjamin.morel@gmail.com>
Date: Sat, 18 Jun 2022 14:38:01 +0200
Subject: [PATCH] Arrow functions

---
 src/BigNumber.php | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/BigNumber.php b/src/BigNumber.php
index 38c8c55..44f26e3 100644
--- a/src/BigNumber.php
+++ b/src/BigNumber.php
@@ -81,9 +81,7 @@ public static function of($value) : BigNumber
             $throw();
         }
 
-        $getMatch = static function(string $value) use ($matches) : ?string {
-            return isset($matches[$value]) && $matches[$value] !== '' ? $matches[$value] : null;
-        };
+        $getMatch = static fn(string $value): ?string => (($matches[$value] ?? '') !== '') ? $matches[$value] : null;
 
         $sign        = $getMatch('sign');
         $numerator   = $getMatch('numerator');