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// Copyright (c) 2013-2020 Vittorio Romeo
// License: Academic Free License ("AFL") v. 3.0
// AFL License page: https://opensource.org/licenses/AFL-3.0
#pragma once
#include "SSVOpenHexagon/Global/Assert.hpp"
namespace hg::Utils {
template <typename T>
class UniquePtr
{
private:
T* _ptr;
public:
[[nodiscard, gnu::always_inline]] explicit UniquePtr() noexcept
: _ptr{nullptr}
{}
[[nodiscard, gnu::always_inline]] explicit UniquePtr(T* ptr) noexcept
: _ptr{ptr}
{}
[[gnu::always_inline]] ~UniquePtr() noexcept
{
delete _ptr;
}
UniquePtr(const UniquePtr&) = delete;
UniquePtr& operator=(const UniquePtr&) = delete;
[[nodiscard, gnu::always_inline]] UniquePtr(UniquePtr&& rhs) noexcept
: _ptr{rhs._ptr}
{
rhs._ptr = nullptr;
}
[[nodiscard, gnu::always_inline]] T& operator*() noexcept
{
SSVOH_ASSERT(_ptr != nullptr);
return *_ptr;
}
[[nodiscard, gnu::always_inline]] const T& operator*() const noexcept
{
SSVOH_ASSERT(_ptr != nullptr);
return *_ptr;
}
[[nodiscard, gnu::always_inline]] T* operator->() noexcept
{
SSVOH_ASSERT(_ptr != nullptr);
return _ptr;
}
[[nodiscard, gnu::always_inline]] const T* operator->() const noexcept
{
SSVOH_ASSERT(_ptr != nullptr);
return _ptr;
}
[[nodiscard, gnu::always_inline]] bool operator==(
const T* ptr) const noexcept
{
return _ptr == ptr;
}
[[nodiscard, gnu::always_inline]] bool operator!=(
const T* ptr) const noexcept
{
return _ptr != ptr;
}
[[nodiscard, gnu::always_inline]] bool operator==(
decltype(nullptr)) const noexcept
{
return _ptr == nullptr;
}
[[nodiscard, gnu::always_inline]] bool operator!=(
decltype(nullptr)) const noexcept
{
return _ptr != nullptr;
}
};
template <typename T, typename... Ts>
[[nodiscard, gnu::always_inline]] inline UniquePtr<T> makeUnique(Ts&&... xs)
{
return UniquePtr<T>{new T{static_cast<Ts&&>(xs)...}};
}
} // namespace hg::Utils
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