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Summary: `Better` is a trivial collection of basic tools borrowed from other low-level general purpose libraries (like Folly, Abseil or Boost). The main goals of Better: - Make the codebase more portable; - Make the dependency list explicit (by decoupling it as a dependency list of Better); - Make relying on modern C++ patterns and tools in code simple and easy. - Make executing experiments with different dependencies easier. As a first example usage, this diff replaces std::unordered_map with an efficient one from folly on the one of the hottest paths. Reviewed By: JoshuaGross Differential Revision: D13944565 fbshipit-source-id: 5fa2c4abe6c17f7361eddcc25f968b6440d5d9db
39 lines
615 B
C++
39 lines
615 B
C++
/**
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* Copyright (c) Facebook, Inc. and its 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 <better/better.h>
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#ifdef BETTER_USE_FOLLY_CONTAINERS
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#include <folly/container/F14Set.h>
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#else
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#include <unordered_set>
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#endif
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namespace facebook {
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namespace better {
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#ifdef BETTER_USE_FOLLY_CONTAINERS
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template <typename... Ts>
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using set = folly::F14FastSet<Ts...>;
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#else
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template <typename... Ts>
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using set = std::unordered_set<Ts...>;
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#endif
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} // namespace better
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} // namespace facebook
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