From 7136b5a450111c570933d72434b083053b349a1d Mon Sep 17 00:00:00 2001
From: Andrew Noyes <andrew@weaselab.dev>
Date: Fri, 23 Feb 2024 12:39:24 -0800
Subject: [PATCH] Save more instructions in getOrCreateChild

Take advantage of the property that Node4 is a prefix of Node16
---
 ConflictSet.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/ConflictSet.cpp b/ConflictSet.cpp
index 31247f8..3b0ce8a 100644
--- a/ConflictSet.cpp
+++ b/ConflictSet.cpp
@@ -408,9 +408,8 @@ Node *&getOrCreateChild(Node *&self, uint8_t index,
 
     if (self->numChildren == 4) {
       auto *newSelf = allocators->node16.allocate();
-      memcpy((void *)newSelf, self, offsetof(Node, type));
-      memcpy(newSelf->index, self4->index, 4);
-      memcpy(newSelf->children, self4->children, 4 * sizeof(void *));
+      memcpy((void *)newSelf, self, sizeof(Node4));
+      newSelf->type = Type::Node16;
       allocators->node4.release(self4);
       self = newSelf;
       setChildrenParents(self);