std::experimental::any(3)  Library Functions Manual  std::experimental::any(3)

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  =
           true> 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  = false> 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 operator=(), and operator=().

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

       References 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)

   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],  [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 clear(), and std::forward().

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

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

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

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

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

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


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