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cb99f65c96
Includes make_unique from C++14 and make_unique_default_init from C++20, because it doesn't require compiler support
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
#pragma once
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#include <memory>
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#include <type_traits>
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// Custom make_unique so that C++14 support will not be necessary for compilation
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template<class T, class... Args,
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typename std::enable_if<!std::is_array<T>::value, int>::type = 0>
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std::unique_ptr<T> make_unique(Args&&... args)
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{
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return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
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}
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template<class T,
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typename std::enable_if<std::is_array<T>::value && std::extent<T>::value == 0, int>::type = 0>
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std::unique_ptr<T> make_unique(std::size_t size)
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{
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return std::unique_ptr<T>(new typename std::remove_extent<T>::type[size]());
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}
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template<class T, class... Args,
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typename std::enable_if<std::extent<T>::value != 0, int>::type = 0>
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void make_unique(Args&&... args) = delete;
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template<class T,
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typename std::enable_if<!std::is_array<T>::value, int>::type = 0>
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std::unique_ptr<T> make_unique_default_init()
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{
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return std::unique_ptr<T>(new T);
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}
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template<class T,
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typename std::enable_if<std::is_array<T>::value && std::extent<T>::value == 0, int>::type = 0>
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std::unique_ptr<T> make_unique_default_init(std::size_t size)
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{
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return std::unique_ptr<T>(new typename std::remove_extent<T>::type[size]);
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}
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template<class T, class... Args,
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typename std::enable_if<std::extent<T>::value != 0, int>::type = 0>
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void make_unique_default_init(Args&&... args) = delete;
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