580 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			580 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C++
		
	
	
	
| // -*- C++ -*-
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| //===------------------------ propagate_const -----------------------------===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is dual licensed under the MIT and the University of Illinois Open
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| // Source Licenses. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #ifndef _LIBCPP_EXPERIMENTAL_PROPAGATE_CONST
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| #define _LIBCPP_EXPERIMENTAL_PROPAGATE_CONST
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| /*
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|     propagate_const synopsis
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| 
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|     namespace std { namespace experimental { inline namespace fundamentals_v2 {
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| 
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|     // [propagate_const]
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|     template <class T> class propagate_const;
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| 
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|     // [propagate_const.underlying], underlying pointer access
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|     constexpr const _Tp& _VSTD_LFTS_V2::get_underlying(const propagate_const<T>& pt) noexcept;
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|     constexpr T& _VSTD_LFTS_V2::get_underlying(propagate_const<T>& pt) noexcept;
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| 
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|     // [propagate_const.relational], relational operators
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|     template <class T> constexpr bool operator==(const propagate_const<T>& pt, nullptr_t);
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|     template <class T> constexpr bool operator==(nullptr_t, const propagate_const<T>& pu);
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|     template <class T> constexpr bool operator!=(const propagate_const<T>& pt, nullptr_t);
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|     template <class T> constexpr bool operator!=(nullptr_t, const propagate_const<T>& pu);
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|     template <class T, class U> constexpr bool operator==(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
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|     template <class T, class U> constexpr bool operator!=(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
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|     template <class T, class U> constexpr bool operator<(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
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|     template <class T, class U> constexpr bool operator>(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
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|     template <class T, class U> constexpr bool operator<=(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
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|     template <class T, class U> constexpr bool operator>=(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
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|     template <class T, class U> constexpr bool operator==(const propagate_const<T>& pt, const _Up& u);
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|     template <class T, class U> constexpr bool operator!=(const propagate_const<T>& pt, const _Up& u);
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|     template <class T, class U> constexpr bool operator<(const propagate_const<T>& pt, const _Up& u);
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|     template <class T, class U> constexpr bool operator>(const propagate_const<T>& pt, const _Up& u);
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|     template <class T, class U> constexpr bool operator<=(const propagate_const<T>& pt, const _Up& u);
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|     template <class T, class U> constexpr bool operator>=(const propagate_const<T>& pt, const _Up& u);
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|     template <class T, class U> constexpr bool operator==(const _Tp& t, const propagate_const<_Up>& pu);
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|     template <class T, class U> constexpr bool operator!=(const _Tp& t, const propagate_const<_Up>& pu);
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|     template <class T, class U> constexpr bool operator<(const _Tp& t, const propagate_const<_Up>& pu);
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|     template <class T, class U> constexpr bool operator>(const _Tp& t, const propagate_const<_Up>& pu);
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|     template <class T, class U> constexpr bool operator<=(const _Tp& t, const propagate_const<_Up>& pu);
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|     template <class T, class U> constexpr bool operator>=(const _Tp& t, const propagate_const<_Up>& pu);
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| 
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|     // [propagate_const.algorithms], specialized algorithms
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|     template <class T> constexpr void swap(propagate_const<T>& pt, propagate_const<T>& pu) noexcept(see below);
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| 
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|     template <class T>
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|     class propagate_const
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|     {
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| 
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|     public:
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|       typedef remove_reference_t<decltype(*declval<T&>())> element_type;
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| 
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|       // [propagate_const.ctor], constructors
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|       constexpr propagate_const() = default;
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|       propagate_const(const propagate_const& p) = delete;
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|       constexpr propagate_const(propagate_const&& p) = default;
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|       template <class U> EXPLICIT constexpr propagate_const(propagate_const<_Up>&& pu); // see below
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|       template <class U> EXPLICIT constexpr propagate_const(U&& u); // see below
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| 
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|       // [propagate_const.assignment], assignment
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|       propagate_const& operator=(const propagate_const& p) = delete;
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|       constexpr propagate_const& operator=(propagate_const&& p) = default;
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|       template <class U> constexpr propagate_const& operator=(propagate_const<_Up>&& pu);
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|       template <class U> constexpr propagate_const& operator=(U&& u); // see below
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| 
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|       // [propagate_const.const_observers], const observers
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|       explicit constexpr operator bool() const;
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|       constexpr const element_type* operator->() const;
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|       constexpr operator const element_type*() const; // Not always defined
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|       constexpr const element_type& operator*() const;
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|       constexpr const element_type* get() const;
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| 
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|       // [propagate_const.non_const_observers], non-const observers
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|       constexpr element_type* operator->();
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|       constexpr operator element_type*(); // Not always defined
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|       constexpr element_type& operator*();
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|       constexpr element_type* get();
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| 
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|       // [propagate_const.modifiers], modifiers
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|       constexpr void swap(propagate_const& pt) noexcept(see below)
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| 
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|     private:
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|       T t_; // exposition only
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|     };
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| 
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|   } // namespace fundamentals_v2
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|   } // namespace experimental
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| 
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|   // [propagate_const.hash], hash support
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|   template <class T> struct hash<experimental::fundamentals_v2::propagate_const<T>>;
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| 
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|   // [propagate_const.comparison_function_objects], comparison function objects
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|   template <class T> struct equal_to<experimental::fundamentals_v2::propagate_const<T>>;
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|   template <class T> struct not_equal_to<experimental::fundamentals_v2::propagate_const<T>>;
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|   template <class T> struct less<experimental::fundamentals_v2::propagate_const<T>>;
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|   template <class T> struct greater<experimental::fundamentals_v2::propagate_const<T>>;
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|   template <class T> struct less_equal<experimental::fundamentals_v2::propagate_const<T>>;
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|   template <class T> struct greater_equal<experimental::fundamentals_v2::propagate_const<T>>;
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| 
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| } // namespace std
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| 
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| */
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| 
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| #include <experimental/__config>
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| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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| #pragma GCC system_header
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| #endif
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| 
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| #if _LIBCPP_STD_VER > 11
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| 
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| #include <type_traits>
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| #include <utility>
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| #include <functional>
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| 
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| _LIBCPP_BEGIN_NAMESPACE_LFTS_V2
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| 
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| 
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| template <class _Tp>
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| class propagate_const;
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| 
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| template <class _Up>
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| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
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| const _Up& get_underlying(const propagate_const<_Up>& __pu) _NOEXCEPT;
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| 
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| template <class _Up>
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| inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
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| _Up& get_underlying(propagate_const<_Up>& __pu) _NOEXCEPT;
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| 
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| template <class _Tp>
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| class propagate_const
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| {
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| public:
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|   typedef remove_reference_t<decltype(*_VSTD::declval<_Tp&>())> element_type;
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| 
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|   static_assert(!is_array<_Tp>::value,
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|       "Instantiation of propagate_const with an array type is ill-formed.");
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|   static_assert(!is_reference<_Tp>::value,
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|       "Instantiation of propagate_const with a reference type is ill-formed.");
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|   static_assert(!(is_pointer<_Tp>::value && is_function<typename remove_pointer<_Tp>::type>::value),
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|       "Instantiation of propagate_const with a function-pointer type is ill-formed.");
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|   static_assert(!(is_pointer<_Tp>::value && is_same<typename remove_cv<typename remove_pointer<_Tp>::type>::type, void>::value),
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|       "Instantiation of propagate_const with a pointer to (possibly cv-qualified) void is ill-formed.");
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| 
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| private:
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|   template <class _Up>
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|   static _LIBCPP_CONSTEXPR element_type* __get_pointer(_Up* __u)
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|   {
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|     return __u;
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|   }
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| 
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|   template <class _Up>
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|   static _LIBCPP_CONSTEXPR element_type* __get_pointer(_Up& __u)
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|   {
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|     return __get_pointer(__u.get());
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|   }
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| 
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|   template <class _Up>
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|   static _LIBCPP_CONSTEXPR const element_type* __get_pointer(const _Up* __u)
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|   {
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|     return __u;
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|   }
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| 
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|   template <class _Up>
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|   static _LIBCPP_CONSTEXPR const element_type* __get_pointer(const _Up& __u)
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|   {
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|     return __get_pointer(__u.get());
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|   }
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| 
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|   template <class _Up>
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|   struct __is_propagate_const : false_type
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|   {
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|   };
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| 
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|   template <class _Up>
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|   struct __is_propagate_const<propagate_const<_Up>> : true_type
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|   {
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|   };
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| 
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|   _Tp __t_;
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| 
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| public:
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| 
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|   template <class _Up> friend _LIBCPP_CONSTEXPR const _Up& ::_VSTD_LFTS_V2::get_underlying(const propagate_const<_Up>& __pu) _NOEXCEPT;
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|   template <class _Up> friend _LIBCPP_CONSTEXPR _Up& ::_VSTD_LFTS_V2::get_underlying(propagate_const<_Up>& __pu) _NOEXCEPT;
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| 
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|   _LIBCPP_CONSTEXPR propagate_const() = default;
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| 
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|   propagate_const(const propagate_const&) = delete;
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| 
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|   _LIBCPP_CONSTEXPR propagate_const(propagate_const&&) = default;
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| 
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|   template <class _Up, enable_if_t<!is_convertible<_Up, _Tp>::value &&
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|                                  is_constructible<_Tp, _Up&&>::value,bool> = true>
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|   explicit _LIBCPP_CONSTEXPR propagate_const(propagate_const<_Up>&& __pu)
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|       : __t_(std::move(_VSTD_LFTS_V2::get_underlying(__pu)))
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|   {
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|   }
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| 
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|   template <class _Up, enable_if_t<is_convertible<_Up&&, _Tp>::value &&
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|                                  is_constructible<_Tp, _Up&&>::value,bool> = false>
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|   _LIBCPP_CONSTEXPR propagate_const(propagate_const<_Up>&& __pu)
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|       : __t_(std::move(_VSTD_LFTS_V2::get_underlying(__pu)))
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|   {
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|   }
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| 
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|   template <class _Up, enable_if_t<!is_convertible<_Up&&, _Tp>::value &&
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|                                  is_constructible<_Tp, _Up&&>::value &&
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|                                  !__is_propagate_const<decay_t<_Up>>::value,bool> = true>
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|   explicit _LIBCPP_CONSTEXPR propagate_const(_Up&& __u)
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|       : __t_(std::forward<_Up>(__u))
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|   {
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|   }
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| 
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|   template <class _Up, enable_if_t<is_convertible<_Up&&, _Tp>::value &&
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|                                  is_constructible<_Tp, _Up&&>::value &&
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|                                  !__is_propagate_const<decay_t<_Up>>::value,bool> = false>
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|   _LIBCPP_CONSTEXPR propagate_const(_Up&& __u)
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|       : __t_(std::forward<_Up>(__u))
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|   {
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|   }
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| 
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|   propagate_const& operator=(const propagate_const&) = delete;
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| 
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|   _LIBCPP_CONSTEXPR propagate_const& operator=(propagate_const&&) = default;
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| 
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|   template <class _Up>
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|   _LIBCPP_CONSTEXPR propagate_const& operator=(propagate_const<_Up>&& __pu)
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|   {
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|     __t_ = std::move(_VSTD_LFTS_V2::get_underlying(__pu));
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|     return *this;
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|   }
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| 
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|   template <class _Up, class _Vp = enable_if_t<!__is_propagate_const<decay_t<_Up>>::value>>
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|   _LIBCPP_CONSTEXPR propagate_const& operator=(_Up&& __u)
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|   {
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|     __t_ = std::forward<_Up>(__u);
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|     return *this;
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|   }
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| 
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|   _LIBCPP_CONSTEXPR const element_type* get() const
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|   {
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|     return __get_pointer(__t_);
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|   }
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| 
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|   _LIBCPP_CONSTEXPR element_type* get()
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|   {
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|     return __get_pointer(__t_);
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|   }
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| 
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|   explicit _LIBCPP_CONSTEXPR operator bool() const
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|   {
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|     return get() != nullptr;
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|   }
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| 
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|   _LIBCPP_CONSTEXPR const element_type* operator->() const
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|   {
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|     return get();
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|   }
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| 
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|   template <class _Tp_ = _Tp, class _Up = enable_if_t<is_convertible<
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|                                   const _Tp_, const element_type *>::value>>
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|   _LIBCPP_CONSTEXPR operator const element_type *() const {
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|     return get();
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|   }
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| 
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|   _LIBCPP_CONSTEXPR const element_type& operator*() const
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|   {
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|     return *get();
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|   }
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| 
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|   _LIBCPP_CONSTEXPR element_type* operator->()
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|   {
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|     return get();
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|   }
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| 
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|   template <class _Tp_ = _Tp, class _Up = enable_if_t<
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|                                   is_convertible<_Tp_, element_type *>::value>>
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|   _LIBCPP_CONSTEXPR operator element_type *() {
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|     return get();
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|   }
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| 
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|   _LIBCPP_CONSTEXPR element_type& operator*()
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|   {
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|     return *get();
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|   }
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| 
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|   _LIBCPP_CONSTEXPR void swap(propagate_const& __pt) _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value)
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|   {
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|     using _VSTD::swap;
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|     swap(__t_, __pt.__t_);
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|   }
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| };
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| 
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| 
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| template <class _Tp>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator==(const propagate_const<_Tp>& __pt, nullptr_t)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) == nullptr;
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| }
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| 
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| template <class _Tp>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator==(nullptr_t, const propagate_const<_Tp>& __pt)
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| {
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|   return nullptr == _VSTD_LFTS_V2::get_underlying(__pt);
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| }
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| 
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| template <class _Tp>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator!=(const propagate_const<_Tp>& __pt, nullptr_t)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) != nullptr;
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| }
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| 
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| template <class _Tp>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator!=(nullptr_t, const propagate_const<_Tp>& __pt)
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| {
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|   return nullptr != _VSTD_LFTS_V2::get_underlying(__pt);
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator==(const propagate_const<_Tp>& __pt,
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|                           const propagate_const<_Up>& __pu)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) == _VSTD_LFTS_V2::get_underlying(__pu);
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator!=(const propagate_const<_Tp>& __pt,
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|                           const propagate_const<_Up>& __pu)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) != _VSTD_LFTS_V2::get_underlying(__pu);
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator<(const propagate_const<_Tp>& __pt,
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|                          const propagate_const<_Up>& __pu)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) < _VSTD_LFTS_V2::get_underlying(__pu);
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator>(const propagate_const<_Tp>& __pt,
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|                          const propagate_const<_Up>& __pu)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) > _VSTD_LFTS_V2::get_underlying(__pu);
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator<=(const propagate_const<_Tp>& __pt,
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|                           const propagate_const<_Up>& __pu)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) <= _VSTD_LFTS_V2::get_underlying(__pu);
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator>=(const propagate_const<_Tp>& __pt,
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|                           const propagate_const<_Up>& __pu)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) >= _VSTD_LFTS_V2::get_underlying(__pu);
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator==(const propagate_const<_Tp>& __pt, const _Up& __u)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) == __u;
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator!=(const propagate_const<_Tp>& __pt, const _Up& __u)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) != __u;
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator<(const propagate_const<_Tp>& __pt, const _Up& __u)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) < __u;
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator>(const propagate_const<_Tp>& __pt, const _Up& __u)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) > __u;
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator<=(const propagate_const<_Tp>& __pt, const _Up& __u)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) <= __u;
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator>=(const propagate_const<_Tp>& __pt, const _Up& __u)
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| {
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|   return _VSTD_LFTS_V2::get_underlying(__pt) >= __u;
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| }
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| 
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator==(const _Tp& __t, const propagate_const<_Up>& __pu)
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| {
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|   return __t == _VSTD_LFTS_V2::get_underlying(__pu);
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator!=(const _Tp& __t, const propagate_const<_Up>& __pu)
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| {
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|   return __t != _VSTD_LFTS_V2::get_underlying(__pu);
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator<(const _Tp& __t, const propagate_const<_Up>& __pu)
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| {
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|   return __t < _VSTD_LFTS_V2::get_underlying(__pu);
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator>(const _Tp& __t, const propagate_const<_Up>& __pu)
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| {
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|   return __t > _VSTD_LFTS_V2::get_underlying(__pu);
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| }
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| 
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| template <class _Tp, class _Up>
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| _LIBCPP_INLINE_VISIBILITY
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| _LIBCPP_CONSTEXPR bool operator<=(const _Tp& __t, const propagate_const<_Up>& __pu)
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| {
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|   return __t <= _VSTD_LFTS_V2::get_underlying(__pu);
 | |
| }
 | |
| 
 | |
| template <class _Tp, class _Up>
 | |
| _LIBCPP_INLINE_VISIBILITY
 | |
| _LIBCPP_CONSTEXPR bool operator>=(const _Tp& __t, const propagate_const<_Up>& __pu)
 | |
| {
 | |
|   return __t >= _VSTD_LFTS_V2::get_underlying(__pu);
 | |
| }
 | |
| 
 | |
| template <class _Tp>
 | |
| _LIBCPP_INLINE_VISIBILITY
 | |
| _LIBCPP_CONSTEXPR void swap(propagate_const<_Tp>& __pc1, propagate_const<_Tp>& __pc2) _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value)
 | |
| {
 | |
|   __pc1.swap(__pc2);
 | |
| }
 | |
| 
 | |
| template <class _Tp>
 | |
| _LIBCPP_CONSTEXPR const _Tp& get_underlying(const propagate_const<_Tp>& __pt) _NOEXCEPT
 | |
| {
 | |
|   return __pt.__t_;
 | |
| }
 | |
| 
 | |
| template <class _Tp>
 | |
| _LIBCPP_CONSTEXPR _Tp& get_underlying(propagate_const<_Tp>& __pt) _NOEXCEPT
 | |
| {
 | |
|   return __pt.__t_;
 | |
| }
 | |
| 
 | |
| _LIBCPP_END_NAMESPACE_LFTS_V2
 | |
| 
 | |
| _LIBCPP_BEGIN_NAMESPACE_STD
 | |
| 
 | |
| template <class _Tp>
 | |
| struct hash<experimental::fundamentals_v2::propagate_const<_Tp>>
 | |
| {
 | |
|   typedef size_t result_type;
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> argument_type;
 | |
| 
 | |
|   size_t operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1) const
 | |
|   {
 | |
|     return std::hash<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1));
 | |
|   }
 | |
| };
 | |
| 
 | |
| template <class _Tp>
 | |
| struct equal_to<experimental::fundamentals_v2::propagate_const<_Tp>>
 | |
| {
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
 | |
| 
 | |
|   bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
 | |
|       const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
 | |
|   {
 | |
|     return std::equal_to<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
 | |
|   }
 | |
| };
 | |
| 
 | |
| template <class _Tp>
 | |
| struct not_equal_to<experimental::fundamentals_v2::propagate_const<_Tp>>
 | |
| {
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
 | |
| 
 | |
|   bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
 | |
|       const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
 | |
|   {
 | |
|     return std::not_equal_to<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
 | |
|   }
 | |
| };
 | |
| 
 | |
| template <class _Tp>
 | |
| struct less<experimental::fundamentals_v2::propagate_const<_Tp>>
 | |
| {
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
 | |
| 
 | |
|   bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
 | |
|       const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
 | |
|   {
 | |
|     return std::less<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
 | |
|   }
 | |
| };
 | |
| 
 | |
| template <class _Tp>
 | |
| struct greater<experimental::fundamentals_v2::propagate_const<_Tp>>
 | |
| {
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
 | |
| 
 | |
|   bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
 | |
|       const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
 | |
|   {
 | |
|     return std::greater<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
 | |
|   }
 | |
| };
 | |
| 
 | |
| template <class _Tp>
 | |
| struct less_equal<experimental::fundamentals_v2::propagate_const<_Tp>>
 | |
| {
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
 | |
| 
 | |
|   bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
 | |
|       const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
 | |
|   {
 | |
|     return std::less_equal<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
 | |
|   }
 | |
| };
 | |
| 
 | |
| template <class _Tp>
 | |
| struct greater_equal<experimental::fundamentals_v2::propagate_const<_Tp>>
 | |
| {
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
 | |
|   typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
 | |
| 
 | |
|   bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
 | |
|       const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
 | |
|   {
 | |
|     return std::greater_equal<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
 | |
|   }
 | |
| };
 | |
| 
 | |
| _LIBCPP_END_NAMESPACE_STD
 | |
| 
 | |
| #endif // _LIBCPP_STD_VER > 11
 | |
| #endif // _LIBCPP_EXPERIMENTAL_PROPAGATE_CONST
 | |
| 
 |