| // Copyright 2019 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef BIOD_UTILS_H_ |
| #define BIOD_UTILS_H_ |
| |
| #include <type_traits> |
| |
| namespace biod { |
| |
| // This function can be used to fetch the value of an enum |
| // typecasted to it's base type (int if none specified). |
| // |
| // enum class FlockSize : uint8_t { |
| // kOne = 1, |
| // kTwo, |
| // ... |
| // }; |
| // |
| // uint8_t total_animals = to_utype(FlockSize::kTwo); |
| template <typename E> |
| constexpr auto to_utype(E enumerator) noexcept { |
| return static_cast<std::underlying_type_t<E>>(enumerator); |
| } |
| |
| } // namespace biod |
| |
| #endif // BIOD_UTILS_H_ |
