NAME

       std::experimental::any - A type-safe container of any type.

SYNOPSIS

       #include <any>

   Public Member Functions
       any () noexcept
           Default constructor, creates an empty object.
       template<typename _ValueType, typename _Tp = _Decay<_ValueType>, typename _Mgr = _Manager<_Tp>, typename
           enable_if<!is_constructible< _Tp, _ValueType && >::value, bool >::type = false> any (_ValueType
           &&__value)
           Construct with a copy of __value as the contained object.
       template<typename _ValueType, typename _Tp = _Decay<_ValueType>, typename _Mgr = _Manager<_Tp>, typename
           enable_if< is_constructible< _Tp, _ValueType && >::value, bool >::type = true> any (_ValueType
           &&__value)
           Construct with a copy of __value as the contained object.
       any (any &&__other) noexcept
           Move constructor, transfer the state from __other.
       any (const any &__other)
           Copy constructor, copies the state of __other.
       ~any ()
           Destructor, calls clear().
       void clear () noexcept
           If not empty, destroy the contained object.
       bool empty () const noexcept
           Reports whether there is a contained object or not.
       template<typename _ValueType> enable_if_t<!is_same< any, decay_t< _ValueType > >::value, any & >
           operator= (_ValueType &&__rhs)
           Store a copy of __rhs as the contained object.
       any & operator= (any &&__rhs) noexcept
           Move assignment operator.
       any & operator= (const any &__rhs)
           Copy the state of another object.
       void swap (any &__rhs) noexcept
           Exchange state with another object.
       const type_info & type () const noexcept
           The typeid of the contained object, or typeid(void) if empty.

   Static Public Member Functions
       template<typename _Tp> static constexpr bool __is_valid_cast ()

   Friends
       template<typename _Tp> enable_if_t< is_object< _Tp >::value, void * > __any_caster (const any *__any)

Detailed Description

       A type-safe container of any type.

       An any object's state is either empty or it stores a contained object of CopyConstructible type.

Constructor & Destructor Documentation

   std::experimental::any::any () [inline],  [noexcept]
       Default constructor, creates an empty object.

       Referenced by any(), any(), operator=(), operator=(), operator=(), and swap().

   std::experimental::any::any (const any & __other) [inline]
       Copy constructor, copies the state of __other.

       References any(), and empty().

   std::experimental::any::any (any && __other) [inline],  [noexcept]
       Move constructor, transfer the state from __other.

       Postcondition
           __other.empty() (this postcondition is a GNU extension)

       References any().

   template<typename _ValueType, typename _Tp = _Decay<_ValueType>, typename _Mgr = _Manager<_Tp>, typename
       enable_if< is_constructible< _Tp, _ValueType && >::value, bool >::type = true>
       std::experimental::any::any (_ValueType && __value) [inline]
       Construct with a copy of __value as the contained object.

       References std::forward().

   template<typename _ValueType, typename _Tp = _Decay<_ValueType>, typename _Mgr = _Manager<_Tp>, typename
       enable_if<!is_constructible< _Tp, _ValueType && >::value, bool >::type = false>
       std::experimental::any::any (_ValueType && __value) [inline]
       Construct with a copy of __value as the contained object.

   std::experimental::any::~any () [inline]
       Destructor, calls clear().

       References clear().

Member Function Documentation

   void std::experimental::any::clear () [inline],  [noexcept]
       If not empty, destroy the contained object.

       References empty().

       Referenced by ~any(), and operator=().

   bool std::experimental::any::empty () const [inline],  [nodiscard],  [noexcept]
       Reports whether there is a contained object or not.

       Referenced by any(), clear(), swap(), and type().

   template<typename _ValueType> enable_if_t<!is_same< any, decay_t< _ValueType > >::value, any & >
       std::experimental::any::operator= (_ValueType && __rhs) [inline]
       Store a copy of __rhs as the contained object.

       References any(), and std::forward().

   any & std::experimental::any::operator= (any && __rhs) [inline],  [noexcept]
       Move assignment operator.

       Postcondition
           __rhs.empty() (not guaranteed for other implementations)

       References any(), and clear().

   any & std::experimental::any::operator= (const any & __rhs) [inline]
       Copy the state of another object.

       References any().

   void std::experimental::any::swap (any & __rhs) [inline],  [noexcept]
       Exchange state with another object.

       References any(), and empty().

   const type_info & std::experimental::any::type () const [inline],  [noexcept]
       The typeid of the contained object, or typeid(void) if empty.

       References empty().

Author

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                                                    libstdc++                       std::experimental::any(3cxx)