From b8a7556746e2ac84d9fa8eabf11abea52e58c731 Mon Sep 17 00:00:00 2001
From: Pol Dellaiera <pol.dellaiera@protonmail.com>
Date: Mon, 9 Sep 2019 16:08:52 +0200
Subject: [PATCH] Minor change in the First transform operation.

---
 src/Transformation/First.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Transformation/First.php b/src/Transformation/First.php
index 24fb9ea38..93ba831ef 100644
--- a/src/Transformation/First.php
+++ b/src/Transformation/First.php
@@ -42,13 +42,13 @@ public function on(iterable $collection)
         $default = $this->default;
 
         if (null === $callback) {
-            $callback = static function ($v, $k) {
+            $callback = static function ($value, $key) {
                 return true;
             };
         }
 
         foreach ($collection as $key => $value) {
-            if ($callback($value, $key)) {
+            if (true === $callback($value, $key)) {
                 return $value;
             }
         }