From 671a001d3e078a42de1e83cbf2bd24a37c5dcc0b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Branimir=20Karad=C5=BEi=C4=87?= <branimirkaradzic@gmail.com>
Date: Sat, 29 Aug 2026 21:43:51 +0000
Subject: [PATCH] tinystl: reset() keeps the bucket table; clear() still
 shrinks to 9. (#419)

---
 include/tinystl/unordered_map.h | 12 ++++++++++--
 include/tinystl/unordered_set.h | 12 ++++++++++--
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/include/tinystl/unordered_map.h b/include/tinystl/unordered_map.h
index 8d2a7b3..6d3bd9d 100644
--- a/include/tinystl/unordered_map.h
+++ b/include/tinystl/unordered_map.h
@@ -57,6 +57,7 @@ namespace tinystl {
 		const_iterator end() const;
 
 		void clear();
+		void reset();
 		bool empty() const;
 		size_t size() const;
 
@@ -180,6 +181,13 @@ namespace tinystl {
 
 	template<typename Key, typename Value, typename Alloc>
 	inline void unordered_map<Key, Value, Alloc>::clear() {
+		reset();
+		m_buckets.last = m_buckets.first;
+		buffer_resize<pointer, Alloc>(&m_buckets, 9, 0);
+	}
+
+	template<typename Key, typename Value, typename Alloc>
+	inline void unordered_map<Key, Value, Alloc>::reset() {
 		if (m_buckets.first) {
 			pointer it = *m_buckets.first;
 			while (it) {
@@ -189,10 +197,10 @@ namespace tinystl {
 
 				it = next;
 			}
+
+			buffer_fill_urange(m_buckets.first, m_buckets.last, pointer(0));
 		}
 
-		m_buckets.last = m_buckets.first;
-		buffer_resize<pointer, Alloc>(&m_buckets, 9, 0);
 		m_size = 0;
 	}
 
diff --git a/include/tinystl/unordered_set.h b/include/tinystl/unordered_set.h
index d1eb579..8541f20 100644
--- a/include/tinystl/unordered_set.h
+++ b/include/tinystl/unordered_set.h
@@ -52,6 +52,7 @@ namespace tinystl {
 		iterator end() const;
 
 		void clear();
+		void reset();
 		bool empty() const;
 		size_t size() const;
 
@@ -154,6 +155,13 @@ namespace tinystl {
 
 	template<typename Key, typename Alloc>
 	inline void unordered_set<Key, Alloc>::clear() {
+		reset();
+		m_buckets.last = m_buckets.first;
+		buffer_resize<pointer, Alloc>(&m_buckets, 9, 0);
+	}
+
+	template<typename Key, typename Alloc>
+	inline void unordered_set<Key, Alloc>::reset() {
 		if (m_buckets.first) {
 			pointer it = *m_buckets.first;
 			while (it) {
@@ -163,10 +171,10 @@ namespace tinystl {
 
 				it = next;
 			}
+
+			buffer_fill_urange(m_buckets.first, m_buckets.last, pointer(0));
 		}
 
-		m_buckets.last = m_buckets.first;
-		buffer_resize<pointer, Alloc>(&m_buckets, 9, 0);
 		m_size = 0;
 	}