From ff378df96ec625854266948b23fe76c2d2183621 Mon Sep 17 00:00:00 2001
From: Matthew <matthew@sleepy.day>
Date: Mon, 15 Sep 2025 05:38:15 +1000
Subject: [PATCH] add fn to get all nodes from hashtable

---
 util.d | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/util.d b/util.d
index 3c149c8..83164ef 100644
--- a/util.d
+++ b/util.d
@@ -489,6 +489,28 @@ GetList(K, V)(HashTable!(K, V)* ht, K key)
 	return ht.lists.ptr + index;
 }
 
+KVPair!(K, V)*[]
+GetAllNodes(Arena* arena, HashTable!(K, V)* ht)
+{
+	KVPair!(K, V)*[] pairs = AllocArray!(KVPair!(K, V)*)(arena, ht.node_count);
+
+	if(ht.node_count > 0)
+	{
+		u64 count = 0;
+		
+		for(u64 i = 0; i < ht.lists.length; i += 1)
+		{
+			for(auto n = ht.lists[i].first; !CheckNil(ht.nil, n); n = n.next)
+			{
+				pairs[count] = &n.value;
+				count += 1;
+			}
+		}
+	}
+
+	return pairs;
+}
+
 pragma(inline) Result!(V)
 Delete(K, V)(HashTable!(K, V)* ht, K key)
 {
@@ -500,14 +522,16 @@ Delete(K, V)(HashTable!(K, V)* ht, K key)
 	{
 		if(node.value.key == key)
 		{
-			Remove(list, node, prev, ht.nil);
+			SLLRemove(list, node, prev, ht.nil);
 
 			result.ok = true;
 			result.value = node.value.value;
 
 			memset(&node.value, 0, node.value.sizeof);
 
-			Push(&ht.free_lists, node, ht.nil);
+			SLLPush(&ht.free_lists, node, ht.nil);
+
+			ht.node_count -= 1;
 
 			break;
 		}