From 766909047b6873b5af3f9aa98c6ed8cd53c6cc54 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Fri, 7 Oct 2022 22:00:01 +0200
Subject: a

---
 compat/enum-bitset.hpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 compat/enum-bitset.hpp

(limited to 'compat')

diff --git a/compat/enum-bitset.hpp b/compat/enum-bitset.hpp
new file mode 100644
index 00000000..bf705138
--- /dev/null
+++ b/compat/enum-bitset.hpp
@@ -0,0 +1,17 @@
+#pragma once
+#include <bitset>
+
+namespace Magnum::Examples {
+
+template<typename Enum>
+struct enum_bitset : std::bitset<(std::size_t)Enum::MAX> {
+    static_assert(std::is_same_v<std::size_t, std::common_type_t<std::size_t, std::underlying_type_t<Enum>>>);
+    static_assert(std::is_same_v<Enum, std::decay_t<Enum>>);
+    using std::bitset<(std::size_t)Enum::MAX>::bitset;
+    constexpr bool operator[](Enum x) const { return operator[]((std::size_t)x); }
+    constexpr decltype(auto) operator[](Enum x) {
+        return std::bitset<(std::size_t)Enum::MAX>::operator[]((std::size_t)x);
+    }
+};
+
+} // namespace Magnum::Examples
-- 
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