From 35cf1d65b454985c38b1e00a91670663b1583670 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 2 Oct 2022 03:23:05 +0200
Subject: a

---
 attic/hash.hpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 attic/hash.hpp

(limited to 'attic')

diff --git a/attic/hash.hpp b/attic/hash.hpp
new file mode 100644
index 00000000..75eea7a9
--- /dev/null
+++ b/attic/hash.hpp
@@ -0,0 +1,25 @@
+#pragma once
+#include <cstddef>
+#include <cstdint>
+
+namespace Magnum::Examples {
+
+template<unsigned N = sizeof(std::size_t)*8> struct hash;
+
+template<>
+struct hash<32> final {
+    [[maybe_unused]]
+    constexpr std::uint32_t operator()(std::uint32_t x) const noexcept {
+        return (std::uint32_t)x*0x9e3779b1u;
+    }
+};
+
+template<>
+struct hash<64> final {
+    [[maybe_unused]]
+    constexpr std::uint64_t operator()(std::uint64_t x) const noexcept {
+        return x*0x9e3779b97f4a7c15ull;
+    }
+};
+
+} // namespace Magnum::Examples
-- 
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