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 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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