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node_modules/react-native/ReactCommon/react/utils/to_underlying.h

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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+#include <type_traits>
+
+namespace facebook::react {
+
+/**
+ * Polyfill of C++ 23 to_underlying()
+ * https://en.cppreference.com/w/cpp/utility/to_underlying
+ */
+constexpr auto to_underlying(auto e) noexcept
+{
+  return static_cast<std::underlying_type_t<decltype(e)>>(e);
+}
+
+} // namespace facebook::react