focal (3) std::experimental::any.3cxx.gz

NAME

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

SYNOPSIS

   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.

       Definition at line 87 of file any.

Constructor & Destructor Documentation

   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.

       Definition at line 176 of file any.

Author

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