46 строки
871 B
C++
46 строки
871 B
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <butter/butter.h>
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#ifdef BUTTER_USE_FOLLY_CONTAINERS
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#include <folly/container/F14Map.h>
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#else
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#include <unordered_map>
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#endif
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namespace facebook {
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namespace butter {
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/*
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* Note: In Butter, `map` aliases to `unorderd_map` because everyone agrees that
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* an *ordered* map is nonsense and was a huge mistake for standardization. If
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* you need an *ordered* map, feel free to introduce that as
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* `butter::ordered_map`.
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*/
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#ifdef BUTTER_USE_FOLLY_CONTAINERS
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template <typename... Ts>
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using map = folly::F14FastMap<Ts...>;
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#else
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template <typename... Ts>
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using map = std::unordered_map<Ts...>;
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#endif
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} // namespace butter
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} // namespace facebook
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