/* (c) 2014-2015 Glen Joseph Fernandes <glenjofe -at- gmail.com> Distributed under the Boost Software License, Version 1.0. http://boost.org/LICENSE_1_0.txt */ #ifndef BOOST_SMART_PTR_MAKE_UNIQUE_HPP #define BOOST_SMART_PTR_MAKE_UNIQUE_HPP #include <boost/config.hpp> #include <memory> #include <utility> namespace boost { namespace detail { template<class T> struct up_if_object { typedef std::unique_ptr<T> type; }; template<class T> struct up_if_object<T[]> { }; template<class T, std::size_t N> struct up_if_object<T[N]> { }; template<class T> struct up_if_array { }; template<class T> struct up_if_array<T[]> { typedef std::unique_ptr<T[]> type; }; template<class T> struct up_remove_reference { typedef T type; }; template<class T> struct up_remove_reference<T&> { typedef T type; }; template<class T> struct up_remove_reference<T&&> { typedef T type; }; template<class T> struct up_element { }; template<class T> struct up_element<T[]> { typedef T type; }; } /* detail */ template<class T> inline typename detail::up_if_object<T>::type make_unique() { return std::unique_ptr<T>(new T()); } #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) template<class T, class... Args> inline typename detail::up_if_object<T>::type make_unique(Args&&... args) { return std::unique_ptr<T>(new T(std::forward<Args>(args)...)); } #endif template<class T> inline typename detail::up_if_object<T>::type make_unique(typename detail::up_remove_reference<T>::type&& value) { return std::unique_ptr<T>(new T(std::move(value))); } template<class T> inline typename detail::up_if_object<T>::type make_unique_noinit() { return std::unique_ptr<T>(new T); } template<class T> inline typename detail::up_if_array<T>::type make_unique(std::size_t n) { return std::unique_ptr<T>(new typename detail::up_element<T>::type[n]()); } template<class T> inline typename detail::up_if_array<T>::type make_unique_noinit(std::size_t n) { return std::unique_ptr<T>(new typename detail::up_element<T>::type[n]); } } /* boost */ #endif