std::__basic_future< _Res >

Section: C Library Functions (3)
Updated: Wed Apr 17 2019
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NAME

std::__basic_future< _Res > - Common implementation for future and shared_future.

SYNOPSIS

Inherits std::__future_base.

Inherited by std::future< _Res >, and std::shared_future< _Res >.

Public Types

template<typename _Res > using _Ptr = unique_ptr< _Res, _Result_base::_Deleter >
A unique_ptr for result objects.
using _State_base = _State_baseV2

Public Member Functions

__basic_future (const __basic_future &)=delete

__basic_future & operator= (const __basic_future &)=delete

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 _BoundFn > static std::shared_ptr< _State_base > _S_make_async_state (_BoundFn &&__fn)

template<typename _BoundFn > static std::shared_ptr< _State_base > _S_make_deferred_state (_BoundFn &&__fn)

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

typedef shared_ptr< _State_base > __state_type

Protected Member Functions

__basic_future (const __state_type &__state)

__basic_future (const shared_future< _Res > &) noexcept

__basic_future (shared_future< _Res > &&) noexcept

__basic_future (future< _Res > &&) noexcept

__result_type _M_get_result () const
Wait for the state to be ready and rethrow any stored exception.
void _M_swap (__basic_future &__that) noexcept

Detailed Description

template<typename _Res>

class std::__basic_future< _Res >" Common implementation for future and shared_future.

Definition at line 671 of file future.

Member Typedef Documentation

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

A unique_ptr for result objects.

Definition at line 223 of file future.

Member Function Documentation

template<typename _Res> __result_type std::__basic_future< _Res >::_M_get_result () const [inline], [protected]

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

Definition at line 714 of file future.

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().

Author

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