From e9e44f7d69b4e320b00cb85e77ad0b4b3cdb2647 Mon Sep 17 00:00:00 2001
From: Gwenhael Le Moine <gwenhael.le.moine@gmail.com>
Date: Thu, 10 Feb 2022 14:57:14 +0100
Subject: [PATCH] extracting from stack in 2 steps to leave stack intact in
 case of error

---
 lib/interpreter.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/interpreter.rb b/lib/interpreter.rb
index d7eddad..c713b35 100644
--- a/lib/interpreter.rb
+++ b/lib/interpreter.rb
@@ -155,7 +155,8 @@ class Interpreter
     args = []
     needs.each do |need|
       raise ArgumentError, "Type Error, needed #{need} got #{elt[:type]}" unless need == :any || need.include?( @stack.last[:type] )
-
+    end
+    needs.each do # rubocop:disable Style/CombinableLoops
       args << @stack.pop
     end