30 lines
1.0 KiB
C++
30 lines
1.0 KiB
C++
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#ifndef ARBUTILS_BORROWED_PTR_HPP
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#define ARBUTILS_BORROWED_PTR_HPP
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#include <memory>
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/// A borrowed pointer is used to indicate a pointer that is not owned by an object, but instead borrowed from another
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/// owning object that is assumed to always be kept alive during the entire lifetime of the borrowing object.
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template <class T> class borrowed_ptr {
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private:
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T* _raw;
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public:
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inline borrowed_ptr<T>(T* ptr) : _raw(ptr){};
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inline borrowed_ptr(const borrowed_ptr<T>& other) : _raw(other._raw){};
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inline borrowed_ptr(const std::unique_ptr<T>& other) : _raw(other.get()){};
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~borrowed_ptr() = default;
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inline T* operator->() noexcept { return _raw; }
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inline const T* operator->() const noexcept { return _raw; }
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inline T* GetRaw() noexcept { return _raw; }
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inline const T* GetRaw() const noexcept { return _raw; }
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inline bool operator==(const borrowed_ptr& rhs) const { return _raw == rhs._raw; }
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inline bool operator!=(const borrowed_ptr& rhs) const { return _raw != rhs._raw; }
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};
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#endif // ARBUTILS_BORROWED_PTR_HPP
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