From b866edefade9fd1a3c1c388abd328ee06d99e1a1 Mon Sep 17 00:00:00 2001
From: IOE <fivetwothreesix@gmail.com>
Date: Thu, 31 Oct 2024 21:43:57 +0900
Subject: [PATCH] fix: Fix issue that calls the removed observer

---
 include/nodec/observers.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/nodec/observers.hpp b/include/nodec/observers.hpp
index 082fad8..0c46539 100644
--- a/include/nodec/observers.hpp
+++ b/include/nodec/observers.hpp
@@ -56,12 +56,13 @@ class Observers {
 
         // Remove all empty slots.
         std::size_t sz = 0;
-        for (std::size_t i = 0; i < n; ++i) {
+        for (std::size_t i = 0; i < observers_.size(); ++i) {
             if (observers_[i] == nullptr) continue;
             observers_[sz] = observers_[i];
             observer_indices_[observers_[i]] = sz;
             ++sz;
         }
+        observers_.resize(sz);
     }
 
     std::size_t size() const {