From 5c5d41b87cff4140f2f8c895513bf8b7fa394f54 Mon Sep 17 00:00:00 2001
From: Bastian Schmitz <bastian.schmitz@vorwerk.de>
Date: Sat, 2 Nov 2024 13:48:41 +0100
Subject: [PATCH] fix enum_fuse shift value calculation (Neargye#386)

---
 include/magic_enum/magic_enum_fuse.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/magic_enum/magic_enum_fuse.hpp b/include/magic_enum/magic_enum_fuse.hpp
index 73c876e12..7811eacc4 100644
--- a/include/magic_enum/magic_enum_fuse.hpp
+++ b/include/magic_enum/magic_enum_fuse.hpp
@@ -42,7 +42,7 @@ template <typename E>
 constexpr optional<std::uintmax_t> fuse_one_enum(optional<std::uintmax_t> hash, E value) noexcept {
   if (hash) {
     if (const auto index = enum_index(value)) {
-      return (*hash << log2(enum_count<E>() + 1)) | *index;
+      return (*hash << log2((enum_count<E>() << 1) - 1)) | *index;
     }
   }
   return {};