From 6a42303239c7dcce532ef497329b45fe552482e8 Mon Sep 17 00:00:00 2001
From: Gary Talent <gary@drinkingtea.net>
Date: Fri, 23 Jan 2026 01:38:31 -0600
Subject: [PATCH] [ox/std] Slight optimization

---
 deps/ox/src/ox/std/strconv.hpp | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/deps/ox/src/ox/std/strconv.hpp b/deps/ox/src/ox/std/strconv.hpp
index e160d947..614b4c75 100644
--- a/deps/ox/src/ox/std/strconv.hpp
+++ b/deps/ox/src/ox/std/strconv.hpp
@@ -17,7 +17,7 @@
 namespace ox {
 
 template<Integer_c Integer>
-constexpr ox::Error writeItoa(Integer v, ox::Writer_c auto &writer) noexcept {
+constexpr ox::Error writeItoa(Integer const v, ox::Writer_c auto &writer) noexcept {
 	if (v) {
 		ox::ResizedInt_t<Integer, 64> mod = 1000000000000000000;
 		ox::ResizedInt_t<Integer, 64> val = v;
@@ -27,17 +27,23 @@ constexpr ox::Error writeItoa(Integer v, ox::Writer_c auto &writer) noexcept {
 			OX_RETURN_ERROR(writer.put('-'));
 			val = ~val + 1;
 		}
-		while (mod) {
+		if constexpr(sizeof(v) == 8 && !ox::is_signed_v<Integer>) {
 			auto digit = val / mod;
 			val %= mod;
 			mod /= base;
+			if (digit) {
+				digit -= 10;
+				OX_RETURN_ERROR(writer.put('1'));
+				OX_RETURN_ERROR(writer.put(static_cast<char>('0' + digit)));
+				++it;
+			}
+		}
+		while (mod) {
+			auto const digit = val / mod;
+			val %= mod;
+			mod /= base;
 			if (it || digit) {
-				constexpr auto start = '0';
-				if (digit >= 10) [[unlikely]] {
-					digit -= 10;
-					OX_RETURN_ERROR(writer.put('1'));
-				}
-				OX_RETURN_ERROR(writer.put(static_cast<char>(start + digit)));
+				OX_RETURN_ERROR(writer.put(static_cast<char>('0' + digit)));
 				++it;
 			}
 		}