From d1205c781cf3dc0a1ff962901ccc24c080401578 Mon Sep 17 00:00:00 2001
From: Aadhavan Srinivasan <aadhavan@twomorecents.org>
Date: Sat, 26 Oct 2024 13:06:12 -0400
Subject: [PATCH] Added 'mustPop' function which panics if slice is empty

---
 sliceQueue.go | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/sliceQueue.go b/sliceQueue.go
index d54c8f6..1ef6f07 100644
--- a/sliceQueue.go
+++ b/sliceQueue.go
@@ -10,8 +10,19 @@ func peek[T any](s []T) (T, error) {
 	return s[len(s)-1], nil
 }
 
-func pop[T any](sp *[]T) T {
+func mustPop[T any](sp *[]T) T {
+	val, err := pop(sp)
+	if err != nil {
+		panic(err)
+	}
+	return val
+}
+
+func pop[T any](sp *[]T) (T, error) {
+	if len(*sp) < 1 {
+		return *new(T), errors.New("Stack empty")
+	}
 	to_return := (*sp)[len(*sp)-1]
 	*sp = (*sp)[:len(*sp)-1]
-	return to_return
+	return to_return, nil
 }