summaryrefslogtreecommitdiffstats
path: root/contrib/libc++/include/__functional_base
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/libc++/include/__functional_base')
-rw-r--r--contrib/libc++/include/__functional_base47
1 files changed, 17 insertions, 30 deletions
diff --git a/contrib/libc++/include/__functional_base b/contrib/libc++/include/__functional_base
index 05c9f06..79017fe 100644
--- a/contrib/libc++/include/__functional_base
+++ b/contrib/libc++/include/__functional_base
@@ -16,6 +16,7 @@
#include <typeinfo>
#include <exception>
#include <new>
+#include <utility>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
@@ -23,13 +24,6 @@
_LIBCPP_BEGIN_NAMESPACE_STD
-template <class _Arg, class _Result>
-struct _LIBCPP_TEMPLATE_VIS unary_function
-{
- typedef _Arg argument_type;
- typedef _Result result_type;
-};
-
template <class _Arg1, class _Arg2, class _Result>
struct _LIBCPP_TEMPLATE_VIS binary_function
{
@@ -257,7 +251,7 @@ struct __weak_result_type<_Rp (_Cp::*)(_A1) const volatile>
};
-#ifndef _LIBCPP_HAS_NO_VARIADICS
+#ifndef _LIBCPP_CXX03_LANG
// 3 or more arguments
template <class _Rp, class _A1, class _A2, class _A3, class ..._A4>
@@ -302,10 +296,6 @@ struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2, _A3...) const volatile>
typedef _Rp result_type;
};
-#endif // _LIBCPP_HAS_NO_VARIADICS
-
-#ifndef _LIBCPP_CXX03_LANG
-
template <class _Tp, class ..._Args>
struct __invoke_return
{
@@ -322,7 +312,7 @@ struct __invoke_return
template <class _Ret>
struct __invoke_void_return_wrapper
{
-#ifndef _LIBCPP_HAS_NO_VARIADICS
+#ifndef _LIBCPP_CXX03_LANG
template <class ..._Args>
static _Ret __call(_Args&&... __args) {
return __invoke(_VSTD::forward<_Args>(__args)...);
@@ -353,7 +343,7 @@ struct __invoke_void_return_wrapper
template <>
struct __invoke_void_return_wrapper<void>
{
-#ifndef _LIBCPP_HAS_NO_VARIADICS
+#ifndef _LIBCPP_CXX03_LANG
template <class ..._Args>
static void __call(_Args&&... __args) {
__invoke(_VSTD::forward<_Args>(__args)...);
@@ -395,7 +385,7 @@ public:
// construct/copy/destroy
_LIBCPP_INLINE_VISIBILITY reference_wrapper(type& __f) _NOEXCEPT
: __f_(_VSTD::addressof(__f)) {}
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
private: reference_wrapper(type&&); public: // = delete; // do not bind to temps
#endif
@@ -403,7 +393,7 @@ public:
_LIBCPP_INLINE_VISIBILITY operator type& () const _NOEXCEPT {return *__f_;}
_LIBCPP_INLINE_VISIBILITY type& get() const _NOEXCEPT {return *__f_;}
-#ifndef _LIBCPP_HAS_NO_VARIADICS
+#ifndef _LIBCPP_CXX03_LANG
// invoke
template <class... _ArgTypes>
_LIBCPP_INLINE_VISIBILITY
@@ -516,7 +506,7 @@ public:
operator() (_A0 const& __a0, _A1 const& __a1, _A2 const& __a2) const {
return __invoke(get(), __a0, __a1, __a2);
}
-#endif // _LIBCPP_HAS_NO_VARIADICS
+#endif // _LIBCPP_CXX03_LANG
};
@@ -558,23 +548,20 @@ template <class _Tp> void cref(const _Tp&&) = delete;
#endif
#if _LIBCPP_STD_VER > 11
-template <class _Tp1, class _Tp2 = void>
-struct __is_transparent
-{
-private:
- struct __two {char __lx; char __lxx;};
- template <class _Up> static __two __test(...);
- template <class _Up> static char __test(typename _Up::is_transparent* = 0);
-public:
- static const bool value = sizeof(__test<_Tp1>(0)) == 1;
-};
+template <class _Tp, class, class = void>
+struct __is_transparent : false_type {};
+
+template <class _Tp, class _Up>
+struct __is_transparent<_Tp, _Up,
+ typename __void_t<typename _Tp::is_transparent>::type>
+ : true_type {};
#endif
// allocator_arg_t
struct _LIBCPP_TEMPLATE_VIS allocator_arg_t { };
-#if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MEMORY)
+#if defined(_LIBCPP_CXX03_LANG) || defined(_LIBCPP_BUILDING_MEMORY)
extern const allocator_arg_t allocator_arg;
#else
constexpr allocator_arg_t allocator_arg = allocator_arg_t();
@@ -617,7 +604,7 @@ template <class _Tp, class _Alloc>
constexpr size_t uses_allocator_v = uses_allocator<_Tp, _Alloc>::value;
#endif
-#ifndef _LIBCPP_HAS_NO_VARIADICS
+#ifndef _LIBCPP_CXX03_LANG
// allocator construction
@@ -669,7 +656,7 @@ void __user_alloc_construct (_Tp *__storage, const _Allocator &__a, _Args &&...
__storage, __a, _VSTD::forward<_Args>(__args)...
);
}
-#endif // _LIBCPP_HAS_NO_VARIADICS
+#endif // _LIBCPP_CXX03_LANG
_LIBCPP_END_NAMESPACE_STD
OpenPOWER on IntegriCloud