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tdlib-fork/tdutils/td/utils/HashSet.h
levlam 80c35676a2 Update copyright year.
GitOrigin-RevId: 09afb551b6e637dc69739fa735b0051a38b9e14c
2020-01-01 04:23:48 +03:00

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/utils/Hash.h"
#if TD_HAVE_ABSL
#include <absl/container/flat_hash_set.h>
#else
#include <unordered_set>
#endif
namespace td {
#if TD_HAVE_ABSL
template <class Key, class H = Hash<Key>>
using HashSet = absl::flat_hash_set<Key, H>;
#else
template <class Key, class H = Hash<Key>>
using HashSet = std::unordered_set<Key, H>;
#endif
} // namespace td