From ad6a98f6ad3cce9d69648360d00d5dcd67d8ca0f Mon Sep 17 00:00:00 2001
From: Tom Willemse
Date: Fri, 12 Aug 2022 19:58:10 -0700
Subject: Chapter 26.7

---
 clox/src/vm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'clox/src/vm.c')

diff --git a/clox/src/vm.c b/clox/src/vm.c
index c9556b2..601b128 100644
--- a/clox/src/vm.c
+++ b/clox/src/vm.c
@@ -163,8 +163,8 @@ static bool isFalsey(Value value) {
 }
 
 static void concatenate() {
-  ObjString *b = AS_STRING(pop());
-  ObjString *a = AS_STRING(pop());
+  ObjString *b = AS_STRING(peek(0));
+  ObjString *a = AS_STRING(peek(1));
 
   int length = a->length + b->length;
   char *chars = ALLOCATE(char, length + 1);
@@ -173,6 +173,8 @@ static void concatenate() {
   chars[length] = '\0';
 
   ObjString *result = takeString(chars, length);
+  pop();
+  pop();
   push(OBJ_VAL(result));
 }
 
-- 
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