From 6e7939000f22dbc955d5aa7feff4db5541205e98 Mon Sep 17 00:00:00 2001
From: clyne <clyne@bitgloo.com>
Date: Sat, 27 Jun 2020 19:08:48 -0400
Subject: [PATCH] Change base from unsigned to signed

---
 to_string.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/to_string.hpp b/to_string.hpp
index bf724cd..e7eef93 100644
--- a/to_string.hpp
+++ b/to_string.hpp
@@ -15,7 +15,7 @@
  * @tparam N Number to convert
  * @tparam base Desired base, can be from 2 to 36
  */
-template<auto N, unsigned int base, typename char_type,
+template<auto N, int base, typename char_type,
     std::enable_if_t<std::is_integral_v<decltype(N)>, int> = 0,
     std::enable_if_t<(base > 1 && base < 37), int> = 0>
 class to_string_t {
@@ -35,7 +35,7 @@ class to_string_t {
         auto ptr = end();
         *--ptr = '\0';
         if (N != 0) {
-            for (auto n = N < 0 ? -N : N; n; n /= base)
+            for (auto n = N; n; n /= base)
                 *--ptr = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[(N < 0 ? -1 : 1) * (n % base)];
             if (N < 0)
                 *--ptr = '-';