25 lines
635 B
C++
25 lines
635 B
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/utils/Hash.h"
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#if TD_HAVE_ABSL
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#include <absl/container/flat_hash_set.h>
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#else
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#include <unordered_set>
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#endif
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namespace td {
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#if TD_HAVE_ABSL
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template <class Key, class H = Hash<Key>>
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using HashSet = absl::flat_hash_set<Key, H>;
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#else
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template <class Key, class H = Hash<Key>>
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using HashSet = std::unordered_set<Key, H>;
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#endif
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} // namespace td
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