/
githubmirror
/
yuzu
Обзор
Документация
Войти
/
githubmirror
/
yuzu
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
src/common/unique_function.h
61 строка
2 KB
Morph
general: Convert source file copyright comments over to SPDX
23 апр 2022, 12:55
23 апр 2022, 12:55
99ceb03
Код
Авторство
О чём код?
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project // SPDX-License-Identifier: GPL-2.0-or-later #pragma once #include <memory> #include <utility> namespace Common { /// General purpose function wrapper similar to std::function. /// Unlike std::function, the captured values don't have to be copyable. /// This class can be moved but not copied. template <typename ResultType, typename... Args> class UniqueFunction { class CallableBase { public: virtual ~CallableBase() = default; virtual ResultType operator()(Args&&...) = 0; }; template <typename Functor> class Callable final : public CallableBase { public: Callable(Functor&& functor_) : functor{std::move(functor_)} {} ~Callable() override = default; ResultType operator()(Args&&... args) override { return functor(std::forward<Args>(args)...); } private: Functor functor; }; public: UniqueFunction() = default; template <typename Functor> UniqueFunction(Functor&& functor) : callable{std::make_unique<Callable<Functor>>(std::move(functor))} {} UniqueFunction& operator=(UniqueFunction&& rhs) noexcept = default; UniqueFunction(UniqueFunction&& rhs) noexcept = default; UniqueFunction& operator=(const UniqueFunction&) = delete; UniqueFunction(const UniqueFunction&) = delete; ResultType operator()(Args&&... args) const { return (*callable)(std::forward<Args>(args)...); } explicit operator bool() const noexcept { return static_cast<bool>(callable); } private: std::unique_ptr<CallableBase> callable; }; } // namespace Common