#ifndef CPP14POLYFILLS_H
#define CPP14POLYFILLS_H

#ifndef CPP14POLYFILLS_INCLUDED
#define CPP14POLYFILLS_INCLUDED

#if __cplusplus < 201402L

// std includes
#include <memory>
#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 // __cplusplus < 201402L

#endif // CPP14POLYFILLS_INCLUDED

#endif // CPP14POLYFILLS_H