14 lines
496 B
C++
14 lines
496 B
C++
#define __PREVENT_DESTRUCTION(self) \
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~self() = delete
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#define __PREVENT_JUST_CONSTRUCTION(self) \
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self() = delete
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#define __PREVENT_CONSTRUCTION(self) \
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__PREVENT_JUST_CONSTRUCTION(self); \
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__PREVENT_DESTRUCTION(self)
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#define __PREVENT_COPY(self) \
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self(const self &) = delete; \
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self &operator=(const self &) = delete
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template <typename T>
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static constexpr decltype(sizeof(T)) __real_sizeof() {
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return sizeof(std::conditional_t<std::is_reference_v<T>, void *, T>);
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} |