Manpages - std_future.3

Table of Contents

NAME

std::future< _Res > - Primary template for future.

SYNOPSIS


Inherits std::__basic_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

future (const future &)=delete

future (future &&__uf) noexcept
Move constructor.

_Res get ()
Retrieving the value.

future & operator= (const future &)=delete

future & operator= (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
Wait for the state to be ready and rethrow any stored exception.

void _M_swap (__basic_future &__that) noexcept

Friends

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

template<typename _Res > typedef *__future_base::_Result*<_Res>&

std::__basic_future*< _Res >::*__result_type*= [protected]=, = [inherited]= Definition at line *677 of file future.

template<typename _Res > using std::__future_base::_Ptr =

*unique_ptr*<_Res, _Result_base::_Deleter>= [inherited]= A unique_ptr for result objects.

Definition at line 222 of file future.

using std::__future_base::_State_base = _State_baseV2= [inherited]=

Definition at line 597 of file future.

Constructor & Destructor Documentation

template<typename _Res > constexpr std::future*< _Res >::*future

()= [inline]=, = [constexpr]=, = [noexcept]= Definition at line 785 of file future.

template<typename _Res > std::future*< _Res >::*future (*future*<

_Res > && __uf)= [inline]=, = [noexcept]= Move constructor.

Definition at line 788 of file future.

Member Function Documentation

template<typename _Res > __result_type *std::__basic_future*< _Res

>::_M_get_result () const= [inline]=, = [protected]=, = [inherited]= Wait for the state to be ready and rethrow any stored exception.

Definition at line 716 of file future.

template<typename _Res > void *std::__basic_future*< _Res >::_M_swap

(__basic_future*< _Res > & __that)= [inline]=, = [protected]=, = [noexcept]=, = [inherited]= Definition at line *725 of file future.

template<typename _Res , typename _Allocator > static *_Ptr*<

_Result_alloc*< _Res, _Allocator > > std::__future_base::_S_allocate_result (const _Allocator & __a)= [inline]=, = [static]=, = [inherited]= Definition at line *287 of file future.

template<typename _Res , typename _Tp > static *_Ptr*< *_Result*<

_Res > > std::__future_base::_S_allocate_result (const std::allocator*< _Tp > & __a)= [inline]=, = [static]=, = [inherited]= Definition at line *300 of file future.

template<typename _Res_ptr , typename _BoundFn > static _Task_setter<

_Res_ptr, _BoundFn > std::__future_base::_S_task_setter (_Res_ptr & __ptr, _BoundFn & __call)= [inline]=, = [static]=, = [inherited]= Definition at line 621 of file future.

template<typename _Res > _Res *std::future*< _Res >::get

()= [inline]= Retrieving the value.

Definition at line 802 of file future.

template<typename _Res > future & *std::future*< _Res >::operator=

(future*< _Res > && __fut)= [inline]=, = [noexcept]= Definition at line *794 of file future.

template<typename _Res > bool *std::__basic_future*< _Res >::valid ()

const= [inline]=, = [noexcept]=, = [inherited]= Definition at line 688 of file future.

template<typename _Res > void *std::__basic_future*< _Res >::wait ()

const= [inline]=, = [inherited]= Definition at line 691 of file future.

template<typename _Res > template<typename _Rep , typename _Period >

future_status std::__basic_future*< _Res >::wait_for (const *chrono::duration*< _Rep, _Period > & __rel) const= [inline]=, = [inherited]= Definition at line *699 of file future.

template<typename _Res > template<typename _Clock , typename

_Duration > future_status std::__basic_future*< _Res >::wait_until (const *chrono::time_point*< _Clock, _Duration > & __abs) const= [inline]=, = [inherited]= Definition at line *707 of file future.

Friends And Related Function Documentation

template<typename _Res > template<typename > friend class

packaged_task= [friend]= Definition at line 773 of file future.

template<typename _Res > friend class *promise*< _Res >= [friend]=

Definition at line 769 of file future.

Author

Generated automatically by Doxygen for libstdc++ from the source code.

Author: dt

Created: 2022-02-20 Sun 19:08