From a5022c53f243204bfb30ddc82e92b684ae3bb00d Mon Sep 17 00:00:00 2001
From: Bolaji Boluwatife <bolubee95@gmail.com>
Date: Sun, 9 May 2021 20:24:05 -0700
Subject: [PATCH] fix: Corrected erase method in
 `data_structures/linked_list.cpp` (#1494)

---
 data_structures/linked_list.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/data_structures/linked_list.cpp b/data_structures/linked_list.cpp
index 72003ba0c..e2323c489 100644
--- a/data_structures/linked_list.cpp
+++ b/data_structures/linked_list.cpp
@@ -167,6 +167,9 @@ void list::erase(int old_elem) {
     t->succ() = t->succ()->succ();
     to_be_removed.reset();
     if (t->succ() == nullptr) {
+        last = t;
+    }
+    if (first == last){
         last = nullptr;
     }
 }