std::future< _Res > Class Template Reference
Inheritance diagram for std::future< _Res >:

Public Types

template<typename _Res >
using _Ptr = unique_ptr< _Res, _Result_base::_Deleter >
using _State_base = _State_baseV2

Public Member Functions

 future (const future &)=delete
 future (future &&__uf) noexcept
_Res get ()
futureoperator= (const future &)=delete
futureoperator= (future &&__fut) noexcept
shared_future< _Res > share () noexcept
bool valid () const noexcept
void wait () const
template<typename _Rep , typename _Period >
future_status wait_for (const chrono::duration< _Rep, _Period > &__rel) const
template<typename _Clock , typename _Duration >
future_status wait_until (const chrono::time_point< _Clock, _Duration > &__abs) const

Static Public Member Functions

template<typename _Res , typename _Allocator >
static _Ptr< _Result_alloc< _Res, _Allocator > > _S_allocate_result (const _Allocator &__a)
template<typename _Res , typename _Tp >
static _Ptr< _Result< _Res > > _S_allocate_result (const std::allocator< _Tp > &__a)
template<typename _Res_ptr , typename _BoundFn >
static _Task_setter< _Res_ptr, _BoundFn > _S_task_setter (_Res_ptr &__ptr, _BoundFn &__call)

Protected Types

typedef __future_base::_Result< _Res > & __result_type

Protected Member Functions

__result_type _M_get_result () const
void _M_swap (__basic_future &__that) noexcept


template<typename _Fn , typename... _Args>
future< __async_result_of< _Fn, _Args... > > async (launch, _Fn &&, _Args &&...)
template<typename >
class packaged_task
class promise< _Res >

Detailed Description

template<typename _Res>
class std::future< _Res >

Primary template for future.

Definition at line 763 of file future.

Member Typedef Documentation

◆ _Ptr

template<typename _Res >
using std::__future_base::_Ptr = unique_ptr<_Res, _Result_base::_Deleter>

A unique_ptr for result objects.

Definition at line 222 of file future.

Constructor & Destructor Documentation

◆ future()

template<typename _Res >
std::future< _Res >::future ( future< _Res > &&  __uf)

Move constructor.

Definition at line 788 of file future.

Member Function Documentation

◆ _M_get_result()

template<typename _Res >
__result_type std::__basic_future< _Res >::_M_get_result ( ) const

Wait for the state to be ready and rethrow any stored exception.

Definition at line 716 of file future.

References std::rethrow_exception().

Referenced by std::future< _Res >::get(), std::future< _Res & >::get(), std::future< void >::get(), std::shared_future< _Res >::get(), and std::shared_future< _Res & >::get().

◆ get()

template<typename _Res >
_Res std::future< _Res >::get ( )

Retrieving the value.

Definition at line 802 of file future.

References std::__basic_future< _Res >::_M_get_result(), and std::move().

The documentation for this class was generated from the following file: