From 486761934d35fd29ed6ee3def723ba0238253cfc Mon Sep 17 00:00:00 2001
From: Sean Darcy <darcys22@gmail.com>
Date: Tue, 23 Apr 2024 12:04:27 +1000
Subject: [PATCH] reserve vector length in fromHexString

---
 src/utils.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/utils.cpp b/src/utils.cpp
index f6d6bdc..de6241f 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -62,6 +62,7 @@ std::vector<unsigned char> utils::fromHexString(std::string_view hexStr) {
     assert(hexStr.size() % 2 == 0);
 
     std::vector<unsigned char> result;
+    result.reserve(hexStr.length() / 2);
     for (size_t i = 0; i < hexStr.length(); i += 2) {
         std::string_view byteString = hexStr.substr(i, 2);
         HexToU8Result    hi         = hexToU8(byteString[0]);