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STD_make_unique_NOT_SUPPORTED "Add support for make_unique<>()."

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This commit is contained in:
qPCR4vir
2015-12-14 01:44:22 +01:00
parent 22ddc02184
commit d5721fbe30
4 changed files with 56 additions and 3 deletions
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6
include/nana/config.hpp
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@@ -82,7 +82,7 @@
#endif
#if (__GNUC__ == 4)
#if ((__GNUC_MINOR__ < 8) || (__GNUC_MINOR__ == 8 && __GNUC_PATCHLEVEL__ < 1))
#if ((__GNUC_MINOR__ < 8) || (__GNUC_MINOR__ == 8 && __GNUC_PATCHLEVEL__ <= 1))
#define STD_THREAD_NOT_SUPPORTED
//boost.thread is preferred
@@ -90,6 +90,10 @@
//boost.thread will be replaced with meganz's mingw-std-threads.
// https://github.com/meganz/mingw-std-threads
//#define USE_github_com_meganz_mingw_std_threads
#if !defined(STD_make_unique_NOT_SUPPORTED)
#define STD_make_unique_NOT_SUPPORTED
#endif //STD_make_unique_NOT_SUPPORTED
#endif
#if defined(NANA_MINGW)

40
include/nana/deploy.hpp
View File

@@ -142,4 +142,44 @@ namespace nana
#define NANA_RGB(a) (((DWORD)(a) & 0xFF)<<16) | ((DWORD)(a) & 0xFF00) | (((DWORD)(a) & 0xFF0000) >> 16 )
#if defined(STD_make_unique_NOT_SUPPORTED)
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3656.htm
#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 //STD_make_unique_NOT_SUPPORTED
#endif //NANA_MACROS_HPP