From 1bb9f61423c1eed320e95a1288a146ece410e1f9 Mon Sep 17 00:00:00 2001
From: Bruce Wells <brucekwells@gmail.com>
Date: Tue, 19 May 2020 21:52:26 -0400
Subject: typed parameters and return types

---
 src/NXP/Classes/CustomFunction.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/NXP/Classes/CustomFunction.php')

diff --git a/src/NXP/Classes/CustomFunction.php b/src/NXP/Classes/CustomFunction.php
index 944f7d9..636435c 100644
--- a/src/NXP/Classes/CustomFunction.php
+++ b/src/NXP/Classes/CustomFunction.php
@@ -32,7 +32,7 @@ class CustomFunction
      * @param int $places
      * @throws ReflectionException
      */
-    public function __construct(string $name, callable $function, $places = null)
+    public function __construct(string $name, callable $function, int $places = null)
     {
         $this->name = $name;
         $this->function = $function;
@@ -44,7 +44,7 @@ class CustomFunction
         }
     }
 
-    public function execute(&$stack)
+    public function execute(array &$stack) : Token
     {
         if (count($stack) < $this->places) {
             throw new IncorrectExpressionException();
-- 
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