folly::coro::detail::TaskPromise< T > Class Template Reference

#include <Task.h>

Inheritance diagram for folly::coro::detail::TaskPromise< T >:

Public Member Functions
	TaskPromise () noexcept=default
Task< T >	get_return_object () noexcept
void	unhandled_exception () noexcept
template<typename U >
void	return_value (U &&value)
T	getResult ()
Public Member Functions inherited from folly::coro::detail::TaskPromiseBase
std::experimental::suspend_always	initial_suspend () noexcept
FinalAwaiter	final_suspend () noexcept
template<typename U >
auto	await_transform (Task< U > &&t) noexcept
template<typename Awaitable >
auto	await_transform (Awaitable &&awaitable) noexcept
auto	await_transform (folly::coro::getCurrentExecutor) noexcept
template<typename T >
auto	await_transform (Task< T > &&t) noexcept

Private Types
using	StorageType = std::conditional_t< std::is_reference< T >::value, std::reference_wrapper< std::remove_reference_t< T >>, T >

Private Attributes
Try< StorageType >	result_

Additional Inherited Members
Protected Member Functions inherited from folly::coro::detail::TaskPromiseBase
	TaskPromiseBase () noexcept

Detailed Description

template<typename T>
class folly::coro::detail::TaskPromise< T >

Definition at line 101 of file Task.h.

Member Typedef Documentation

template<typename T >

using folly::coro::detail::TaskPromise< T >::StorageType = std::conditional_t< std::is_reference<T>::value, std::reference_wrapper<std::remove_reference_t<T>>, T>

private

Definition at line 128 of file Task.h.

Constructor & Destructor Documentation

template<typename T >

folly::coro::detail::TaskPromise< T >::TaskPromise ( )

defaultnoexcept

Member Function Documentation

template<typename T >

Task< T > folly::coro::detail::TaskPromise< T >::get_return_object ( )

noexcept

Definition at line 353 of file Task.h.

                                                         {
  return Task<T>{
      std::experimental::coroutine_handle<detail::TaskPromise<T>>::from_promise(
          *this)};
}

template<typename T >

T folly::coro::detail::TaskPromise< T >::getResult ( )

inline

Definition at line 120 of file Task.h.

References folly::gen::move, folly::T, and value.

                {
    return static_cast<T&&>(std::move(result_).value());
  }

template<typename T >

template<typename U >

void folly::coro::detail::TaskPromise< T >::return_value ( U &&  value )

inline

Definition at line 113 of file Task.h.

References value, and folly::value().

                               {
    static_assert(
        std::is_convertible<U&&, T>::value,
        "cannot convert return value to type T");
    result_.emplace(static_cast<U&&>(value));
  }

template<typename T >

void folly::coro::detail::TaskPromise< T >::unhandled_exception ( )

inlinenoexcept

Definition at line 107 of file Task.h.

References folly::exception_wrapper::from_exception_ptr().

                                      {
    result_.emplaceException(
        exception_wrapper::from_exception_ptr(std::current_exception()));
  }

Member Data Documentation

template<typename T >

Try<StorageType> folly::coro::detail::TaskPromise< T >::result_

private

Definition at line 130 of file Task.h.

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

• proxygen/folly/folly/experimental/coro/Task.h