41 lines
979 B
C++
41 lines
979 B
C++
#pragma once
|
|
|
|
#ifndef MMD_CPP14_H
|
|
|
|
#include <cstddef>
|
|
#include <memory>
|
|
#include <type_traits>
|
|
#include <utility>
|
|
|
|
namespace std {
|
|
template<class T> struct _Unique_if {
|
|
typedef unique_ptr<T> _Single_object;
|
|
};
|
|
|
|
template<class T> struct _Unique_if<T[]> {
|
|
typedef unique_ptr<T[]> _Unknown_bound;
|
|
};
|
|
|
|
template<class T, size_t N> struct _Unique_if<T[N]> {
|
|
typedef void _Known_bound;
|
|
};
|
|
|
|
template<class T, class... Args>
|
|
typename _Unique_if<T>::_Single_object
|
|
make_unique(Args&&... args) {
|
|
return unique_ptr<T>(new T(std::forward<Args>(args)...));
|
|
}
|
|
|
|
template<class T>
|
|
typename _Unique_if<T>::_Unknown_bound
|
|
make_unique(size_t n) {
|
|
typedef typename remove_extent<T>::type U;
|
|
return unique_ptr<T>(new U[n]());
|
|
}
|
|
|
|
template<class T, class... Args>
|
|
typename _Unique_if<T>::_Known_bound
|
|
make_unique(Args&&...) = delete;
|
|
}
|
|
|
|
#endif |