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-rw-r--r--tests/libcxx/include/utility505
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diff --git a/tests/libcxx/include/utility b/tests/libcxx/include/utility
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+// -*- C++ -*-
+//===-------------------------- utility -----------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_UTILITY
+#define _LIBCPP_UTILITY
+
+/*
+ utility synopsis
+
+namespace std
+{
+
+template <class T>
+ void
+ swap(T& a, T& b);
+
+namespace rel_ops
+{
+ template<class T> bool operator!=(const T&, const T&);
+ template<class T> bool operator> (const T&, const T&);
+ template<class T> bool operator<=(const T&, const T&);
+ template<class T> bool operator>=(const T&, const T&);
+}
+
+template<class T> void swap(T& a, T& b);
+template <class T, size_t N> void swap(T (&a)[N], T (&b)[N]);
+
+template <class T, class U> T&& forward(U&&);
+template <class T> typename remove_reference<T>::type&& move(T&&);
+
+template <class T>
+ typename conditional
+ <
+ !is_nothrow_move_constructible<T>::value && is_copy_constructible<T>::value,
+ const T&,
+ T&&
+ >::type
+ move_if_noexcept(T& x);
+
+template <class T> typename add_rvalue_reference<T>::type declval() noexcept;
+
+template <class T1, class T2>
+struct pair
+{
+ typedef T1 first_type;
+ typedef T2 second_type;
+
+ T1 first;
+ T2 second;
+
+ pair(const pair&) = default;
+ constexpr pair();
+ pair(const T1& x, const T2& y);
+ template <class U, class V> pair(U&& x, V&& y);
+ template <class U, class V> pair(const pair<U, V>& p);
+ template <class U, class V> pair(pair<U, V>&& p);
+ template <class... Args1, class... Args2>
+ pair(piecewise_construct_t, tuple<Args1...> first_args,
+ tuple<Args2...> second_args);
+
+ template <class U, class V> pair& operator=(const pair<U, V>& p);
+ pair& operator=(pair&& p);
+ template <class U, class V> pair& operator=(pair<U, V>&& p);
+
+ void swap(pair& p);
+};
+
+template <class T1, class T2> bool operator==(const pair<T1,T2>&, const pair<T1,T2>&);
+template <class T1, class T2> bool operator!=(const pair<T1,T2>&, const pair<T1,T2>&);
+template <class T1, class T2> bool operator< (const pair<T1,T2>&, const pair<T1,T2>&);
+template <class T1, class T2> bool operator> (const pair<T1,T2>&, const pair<T1,T2>&);
+template <class T1, class T2> bool operator>=(const pair<T1,T2>&, const pair<T1,T2>&);
+template <class T1, class T2> bool operator<=(const pair<T1,T2>&, const pair<T1,T2>&);
+
+template <class T1, class T2> pair<V1, V2> make_pair(T1&&, T2&&);
+template <class T1, class T2> void swap(pair<T1, T2>& x, pair<T1, T2>& y);
+
+struct piecewise_construct_t { };
+constexpr piecewise_construct_t piecewise_construct = piecewise_construct_t();
+
+template <class T> class tuple_size;
+template <size_t I, class T> class tuple_element;
+
+template <class T1, class T2> struct tuple_size<std::pair<T1, T2> >;
+template <class T1, class T2> struct tuple_element<0, std::pair<T1, T2> >;
+template <class T1, class T2> struct tuple_element<1, std::pair<T1, T2> >;
+
+template<size_t I, class T1, class T2>
+ typename tuple_element<I, std::pair<T1, T2> >::type&
+ get(std::pair<T1, T2>&);
+
+template<size_t I, class T1, class T2>
+ const typename const tuple_element<I, std::pair<T1, T2> >::type&
+ get(const std::pair<T1, T2>&);
+
+template<size_t I, class T1, class T2>
+ typename tuple_element<I, std::pair<T1, T2> >::type&&
+ get(std::pair<T1, T2>&&);
+
+} // std
+
+*/
+
+#include <__config>
+#include <__tuple>
+#include <type_traits>
+
+#pragma GCC system_header
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+namespace rel_ops
+{
+
+template<class _Tp>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator!=(const _Tp& __x, const _Tp& __y)
+{
+ return !(__x == __y);
+}
+
+template<class _Tp>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator> (const _Tp& __x, const _Tp& __y)
+{
+ return __y < __x;
+}
+
+template<class _Tp>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator<=(const _Tp& __x, const _Tp& __y)
+{
+ return !(__y < __x);
+}
+
+template<class _Tp>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator>=(const _Tp& __x, const _Tp& __y)
+{
+ return !(__x < __y);
+}
+
+} // rel_ops
+
+// swap_ranges
+
+template <class _ForwardIterator1, class _ForwardIterator2>
+inline _LIBCPP_INLINE_VISIBILITY
+_ForwardIterator2
+swap_ranges(_ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIterator2 __first2)
+{
+ for(; __first1 != __last1; ++__first1, ++__first2)
+ swap(*__first1, *__first2);
+ return __first2;
+}
+
+template<class _Tp, size_t _N>
+inline _LIBCPP_INLINE_VISIBILITY
+void
+swap(_Tp (&__a)[_N], _Tp (&__b)[_N])
+{
+ _STD::swap_ranges(__a, __a + _N, __b);
+}
+
+template <class _Tp>
+inline _LIBCPP_INLINE_VISIBILITY
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+typename conditional
+<
+ !is_nothrow_move_constructible<_Tp>::value && is_copy_constructible<_Tp>::value,
+ const _Tp&,
+ _Tp&&
+>::type
+#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+const _Tp&
+#endif
+move_if_noexcept(_Tp& __x)
+{
+ return _STD::move(__x);
+}
+
+struct _LIBCPP_VISIBLE piecewise_construct_t { };
+//constexpr
+extern const piecewise_construct_t piecewise_construct;// = piecewise_construct_t();
+
+template <class _T1, class _T2> struct pair;
+template <class _T1, class _T2> void swap(pair<_T1, _T2>&, pair<_T1, _T2>&);
+
+template <class _T1, class _T2>
+struct _LIBCPP_VISIBLE pair
+{
+ typedef _T1 first_type;
+ typedef _T2 second_type;
+
+ _T1 first;
+ _T2 second;
+
+ _LIBCPP_INLINE_VISIBILITY pair() : first(), second() {}
+
+ _LIBCPP_INLINE_VISIBILITY pair(const _T1& __x, const _T2& __y)
+ : first(__x), second(__y) {}
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+ template <class _U1, class _U2,
+ class = typename enable_if<is_convertible<_U1, first_type >::value &&
+ is_convertible<_U2, second_type>::value>::type>
+ _LIBCPP_INLINE_VISIBILITY
+ pair(_U1&& __u1, _U2&& __u2)
+ : first(_STD::forward<_U1>(__u1)),
+ second(_STD::forward<_U2>(__u2))
+ {}
+
+#ifndef _LIBCPP_HAS_NO_VARIADICS
+
+ template<class _Tuple,
+ class = typename enable_if<__tuple_convertible<_Tuple, pair>::value>::type>
+ _LIBCPP_INLINE_VISIBILITY
+ pair(_Tuple&& __p)
+ : first(_STD::forward<typename tuple_element<0,
+ typename __make_tuple_types<_Tuple>::type>::type>(get<0>(__p))),
+ second(_STD::forward<typename tuple_element<1,
+ typename __make_tuple_types<_Tuple>::type>::type>(get<1>(__p)))
+ {}
+
+
+
+ template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2>
+ _LIBCPP_INLINE_VISIBILITY
+ pair(piecewise_construct_t __pc, tuple<_Args1...> __first_args,
+ tuple<_Args2...> __second_args)
+ : pair(__pc, __first_args, __second_args,
+ typename __make_tuple_indices<sizeof...(_Args1)>::type(),
+ typename __make_tuple_indices<sizeof...(_Args2) >::type())
+ {}
+
+ template <class _Tuple,
+ class = typename enable_if<__tuple_assignable<_Tuple, pair>::value>::type>
+ _LIBCPP_INLINE_VISIBILITY
+ pair&
+ operator=(_Tuple&& __p)
+ {
+ typedef typename __make_tuple_types<_Tuple>::type _TupleRef;
+ typedef typename tuple_element<0, _TupleRef>::type _U0;
+ typedef typename tuple_element<1, _TupleRef>::type _U1;
+ first = _STD::forward<_U0>(_STD::get<0>(__p));
+ second = _STD::forward<_U1>(_STD::get<1>(__p));
+ return *this;
+ }
+
+#endif // _LIBCPP_HAS_NO_VARIADICS
+
+#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ template<class _U1, class _U2>
+ _LIBCPP_INLINE_VISIBILITY pair(const pair<_U1, _U2>& __p)
+ : first(__p.first), second(__p.second) {}
+#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ void _LIBCPP_INLINE_VISIBILITY swap(pair& __p) {_STD::swap(*this, __p);}
+private:
+
+#ifndef _LIBCPP_HAS_NO_VARIADICS
+ template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2>
+ _LIBCPP_INLINE_VISIBILITY
+ pair(piecewise_construct_t,
+ tuple<_Args1...>& __first_args, tuple<_Args2...>& __second_args,
+ __tuple_indices<_I1...>, __tuple_indices<_I2...>);
+#endif // _LIBCPP_HAS_NO_VARIADICS
+};
+
+template <class _T1, class _T2>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator==(const pair<_T1,_T2>& __x, const pair<_T1,_T2>& __y)
+{
+ return __x.first == __y.first && __x.second == __y.second;
+}
+
+template <class _T1, class _T2>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator!=(const pair<_T1,_T2>& __x, const pair<_T1,_T2>& __y)
+{
+ return !(__x == __y);
+}
+
+template <class _T1, class _T2>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator< (const pair<_T1,_T2>& __x, const pair<_T1,_T2>& __y)
+{
+ return __x.first < __y.first || (!(__y.first < __x.first) && __x.second < __y.second);
+}
+
+template <class _T1, class _T2>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator> (const pair<_T1,_T2>& __x, const pair<_T1,_T2>& __y)
+{
+ return __y < __x;
+}
+
+template <class _T1, class _T2>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator>=(const pair<_T1,_T2>& __x, const pair<_T1,_T2>& __y)
+{
+ return !(__x < __y);
+}
+
+template <class _T1, class _T2>
+inline _LIBCPP_INLINE_VISIBILITY
+bool
+operator<=(const pair<_T1,_T2>& __x, const pair<_T1,_T2>& __y)
+{
+ return !(__y < __x);
+}
+
+template <class _T1, class _T2>
+inline _LIBCPP_INLINE_VISIBILITY
+void
+swap(pair<_T1, _T2>& __x, pair<_T1, _T2>& __y)
+{
+ swap(__x.first, __y.first);
+ swap(__x.second, __y.second);
+}
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class _Tp> class reference_wrapper;
+
+template <class _Tp>
+struct ___make_pair_return
+{
+ typedef _Tp type;
+};
+
+template <class _Tp>
+struct ___make_pair_return<reference_wrapper<_Tp>>
+{
+ typedef _Tp& type;
+};
+
+template <class _Tp>
+struct __make_pair_return
+{
+ typedef typename ___make_pair_return<typename decay<_Tp>::type>::type type;
+};
+
+template <class _T1, class _T2>
+inline _LIBCPP_INLINE_VISIBILITY
+pair<typename __make_pair_return<_T1>::type, typename __make_pair_return<_T2>::type>
+make_pair(_T1&& __t1, _T2&& __t2)
+{
+ return pair<typename __make_pair_return<_T1>::type, typename __make_pair_return<_T2>::type>
+ (_STD::forward<_T1>(__t1), _STD::forward<_T2>(__t2));
+}
+
+#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <class _T1, class _T2>
+inline _LIBCPP_INLINE_VISIBILITY
+pair<_T1,_T2>
+make_pair(_T1 __x, _T2 __y)
+{
+ return pair<_T1, _T2>(__x, __y);
+}
+
+#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+#ifndef _LIBCPP_HAS_NO_VARIADICS
+
+template <class _T1, class _T2>
+ class _LIBCPP_VISIBLE tuple_size<pair<_T1, _T2> >
+ : public integral_constant<size_t, 2> {};
+
+template <class _T1, class _T2>
+ class _LIBCPP_VISIBLE tuple_size<const pair<_T1, _T2> >
+ : public integral_constant<size_t, 2> {};
+
+template <class _T1, class _T2>
+class _LIBCPP_VISIBLE tuple_element<0, pair<_T1, _T2> >
+{
+public:
+ typedef _T1 type;
+};
+
+template <class _T1, class _T2>
+class _LIBCPP_VISIBLE tuple_element<1, pair<_T1, _T2> >
+{
+public:
+ typedef _T2 type;
+};
+
+template <class _T1, class _T2>
+class _LIBCPP_VISIBLE tuple_element<0, const pair<_T1, _T2> >
+{
+public:
+ typedef const _T1 type;
+};
+
+template <class _T1, class _T2>
+class _LIBCPP_VISIBLE tuple_element<1, const pair<_T1, _T2> >
+{
+public:
+ typedef const _T2 type;
+};
+
+template <size_t _Ip> struct __get_pair;
+
+template <>
+struct __get_pair<0>
+{
+ template <class _T1, class _T2>
+ static
+ _LIBCPP_INLINE_VISIBILITY
+ _T1&
+ get(pair<_T1, _T2>& __p) {return __p.first;}
+
+ template <class _T1, class _T2>
+ static
+ _LIBCPP_INLINE_VISIBILITY
+ const _T1&
+ get(const pair<_T1, _T2>& __p) {return __p.first;}
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+ template <class _T1, class _T2>
+ static
+ _LIBCPP_INLINE_VISIBILITY
+ _T1&&
+ get(pair<_T1, _T2>&& __p) {return _STD::forward<_T1>(__p.first);}
+
+#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+};
+
+template <>
+struct __get_pair<1>
+{
+ template <class _T1, class _T2>
+ static
+ _LIBCPP_INLINE_VISIBILITY
+ _T2&
+ get(pair<_T1, _T2>& __p) {return __p.second;}
+
+ template <class _T1, class _T2>
+ static
+ _LIBCPP_INLINE_VISIBILITY
+ const _T2&
+ get(const pair<_T1, _T2>& __p) {return __p.second;}
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+ template <class _T1, class _T2>
+ static
+ _LIBCPP_INLINE_VISIBILITY
+ _T2&&
+ get(pair<_T1, _T2>&& __p) {return _STD::forward<_T2>(__p.second);}
+
+#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+};
+
+template <size_t _Ip, class _T1, class _T2>
+_LIBCPP_INLINE_VISIBILITY inline
+typename tuple_element<_Ip, pair<_T1, _T2> >::type&
+get(pair<_T1, _T2>& __p)
+{
+ return __get_pair<_Ip>::get(__p);
+}
+
+template <size_t _Ip, class _T1, class _T2>
+_LIBCPP_INLINE_VISIBILITY inline
+const typename tuple_element<_Ip, pair<_T1, _T2> >::type&
+get(const pair<_T1, _T2>& __p)
+{
+ return __get_pair<_Ip>::get(__p);
+}
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+template <size_t _Ip, class _T1, class _T2>
+_LIBCPP_INLINE_VISIBILITY inline
+typename tuple_element<_Ip, pair<_T1, _T2> >::type&&
+get(pair<_T1, _T2>&& __p)
+{
+ return __get_pair<_Ip>::get(_STD::move(__p));
+}
+
+#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+#endif // _LIBCPP_HAS_NO_VARIADICS
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_UTILITY
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