141 lines
4.4 KiB
C++
141 lines
4.4 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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namespace base {
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template <typename Type>
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inline Type take(Type &value) {
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return std::exchange(value, Type {});
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}
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template <typename Type, size_t Size>
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inline constexpr size_t array_size(const Type(&)[Size]) {
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return Size;
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}
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template <typename Range, typename Method>
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decltype(auto) for_each(Range &&range, Method &&method) {
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return std::for_each(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)),
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std::forward<Method>(method));
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}
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template <typename Method>
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decltype(auto) for_each_apply(Method &&method) {
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return [&method](auto &&range) {
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return for_each(std::forward<decltype(range)>(range), std::forward<Method>(method));
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};
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}
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template <typename Range, typename Value>
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decltype(auto) find(Range &&range, Value &&value) {
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return std::find(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)),
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std::forward<Value>(value));
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}
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template <typename Range, typename Predicate>
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decltype(auto) find_if(Range &&range, Predicate &&predicate) {
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return std::find_if(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)),
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std::forward<Predicate>(predicate));
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}
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template <typename Range, typename Type>
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decltype(auto) lower_bound(Range &&range, Type &&value) {
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return std::lower_bound(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)),
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std::forward<Type>(value));
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}
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template <typename Range, typename Type, typename Predicate>
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decltype(auto) lower_bound(Range &&range, Type &&value, Predicate &&predicate) {
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return std::lower_bound(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)),
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std::forward<Type>(value),
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std::forward<Predicate>(predicate));
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}
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template <typename Range, typename Type>
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decltype(auto) upper_bound(Range &&range, Type &&value) {
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return std::upper_bound(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)),
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std::forward<Type>(value));
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}
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template <typename Range, typename Type, typename Predicate>
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decltype(auto) upper_bound(Range &&range, Type &&value, Predicate &&predicate) {
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return std::upper_bound(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)),
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std::forward<Type>(value),
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std::forward<Predicate>(predicate));
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}
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template <typename Range, typename Type>
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decltype(auto) equal_range(Range &&range, Type &&value) {
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return std::equal_range(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)),
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std::forward<Type>(value));
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}
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template <typename Range, typename Type, typename Predicate>
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decltype(auto) equal_range(Range &&range, Type &&value, Predicate &&predicate) {
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return std::equal_range(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)),
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std::forward<Type>(value),
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std::forward<Predicate>(predicate));
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}
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template <typename Range>
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decltype(auto) sort(Range &&range) {
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return std::sort(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)));
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}
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template <typename Range, typename Predicate>
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decltype(auto) sort(Range &&range, Predicate &&predicate) {
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return std::sort(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)),
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std::forward<Predicate>(predicate));
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}
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template <typename Range, typename Predicate>
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decltype(auto) stable_partition(Range &&range, Predicate &&predicate) {
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return std::stable_partition(
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std::begin(std::forward<Range>(range)),
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std::end(std::forward<Range>(range)),
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std::forward<Predicate>(predicate));
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}
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} // namespace base
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