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Summary: SharedShadowNodeList is one of the core collections in Fabric. Every ShadowNode has one, it's used intensivly during diffing and so on. Usually, nodes have a very few children, so using `small_vector` instead of regular `vector` should save us a lot of memory allocations. Reviewed By: JoshuaGross Differential Revision: D14249201 fbshipit-source-id: 53297caa027a74099d0a1ed4a3cce78f8feb651b
40 lines
807 B
C++
40 lines
807 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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// `folly::small_vector` is broken on some versions of Android.
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#if defined(BETTER_USE_FOLLY_CONTAINERS) && !defined(ANDROID)
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#include <folly/small_vector.h>
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#else
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#include <vector>
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#endif
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namespace facebook {
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namespace better {
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#if defined(BETTER_USE_FOLLY_CONTAINERS) && !defined(ANDROID)
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template <typename T, std::size_t Size, typename... Ts>
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using small_vector = folly::small_vector<T, Size, Ts...>;
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#else
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template <typename T, std::size_t Size, typename... Ts>
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using small_vector = std::vector<T, Ts...>;
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#endif
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} // namespace better
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} // namespace facebook
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