46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
#ifndef MEMORY_H
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#define MEMORY_H
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#include <memory>
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/// \cond
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#if __cplusplus <= 201103L
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#define __cpp_lib_make_unique 201304
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namespace std {
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template<typename _Tp>
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struct _MakeUniq
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{ typedef unique_ptr<_Tp> __single_object; };
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template<typename _Tp>
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struct _MakeUniq<_Tp[]>
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{ typedef unique_ptr<_Tp[]> __array; };
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template<typename _Tp, size_t _Bound>
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struct _MakeUniq<_Tp[_Bound]>
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{ struct __invalid_type { }; };
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/// std::make_unique for single objects
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template<typename _Tp, typename... _Args>
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inline typename _MakeUniq<_Tp>::__single_object
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make_unique(_Args&&... __args)
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{ return unique_ptr<_Tp>(new _Tp(std::forward<_Args>(__args)...)); }
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/// std::make_unique for arrays of unknown bound
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template<typename _Tp>
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inline typename _MakeUniq<_Tp>::__array
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make_unique(size_t __num)
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{ return unique_ptr<_Tp>(new typename remove_extent<_Tp>::type[__num]()); }
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/// Disable std::make_unique for arrays of known bound
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template<typename _Tp, typename... _Args>
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inline typename _MakeUniq<_Tp>::__invalid_type
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make_unique(_Args&&...) = delete;
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}
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#endif
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/// \endcond
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#endif // MEMORY_H
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