From e96f969c72a7106993a9e51eb781570520e41404 Mon Sep 17 00:00:00 2001
From: 0riginaln0 <74508026+0riginaln0@users.noreply.github.com>
Date: Sun, 14 Apr 2024 07:29:24 +0300
Subject: factorial(0) = 1 case added for tail_calls

Executing a factorial from zero is expected to return one, not "RangeError: Maximum call stack size exceeded"
---
 src/content/chapter2_flow_control/lesson06_tail_calls/code.gleam | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/content/chapter2_flow_control/lesson06_tail_calls/code.gleam')

diff --git a/src/content/chapter2_flow_control/lesson06_tail_calls/code.gleam b/src/content/chapter2_flow_control/lesson06_tail_calls/code.gleam
index f029627..004793b 100644
--- a/src/content/chapter2_flow_control/lesson06_tail_calls/code.gleam
+++ b/src/content/chapter2_flow_control/lesson06_tail_calls/code.gleam
@@ -12,7 +12,7 @@ pub fn factorial(x: Int) -> Int {
 
 fn factorial_loop(x: Int, accumulator: Int) -> Int {
   case x {
-    1 -> accumulator
+    0 | 1 -> accumulator
 
     // The last thing this function does is call itself
     // In the previous lesson the last thing it did was multiply two ints
-- 
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