aria::async::WhenAnyAwaiter< T > Class Template Reference

Awaitable that resolves when ANY of the input Tasks completes (success or error). More...

#include <when_all.hpp>

Classes
struct	Result

Public Types
using	ValueField

Public Member Functions
	WhenAnyAwaiter (std::vector< Task< T > > tasks)
bool	await_ready () const noexcept
bool	await_suspend (std::coroutine_handle<> caller) noexcept
Result	await_resume ()

Detailed Description

template<typename T>
class aria::async::WhenAnyAwaiter< T >

Awaitable that resolves when ANY of the input Tasks completes (success or error).

Returns the index (and result) of whichever finished first.

Race contract:

• Built on detail::RaceSlot — closes the await_suspend race window where a synchronously-completing task could resume the parent before await_suspend has stored the parent handle.
• Late tasks (losers) silently drop their results; their detached driver coroutines continue to run to completion in the background and eventually self-destruct.
• For cooperative cancellation of losers, see when_any_cancellable below — it accepts factories that take a CancellationToken.

Member Typedef Documentation

ValueField

template<typename T>

using aria::async::WhenAnyAwaiter< T >::ValueField

Initial value:

std::conditional_t<std::is_void_v<T>,
                                         std::monostate,
                                         std::optional<T>>

Constructor & Destructor Documentation

WhenAnyAwaiter()

template<typename T>

aria::async::WhenAnyAwaiter< T >::WhenAnyAwaiter ( std::vector< Task< T > > tasks )

inlineexplicit

Member Function Documentation

await_ready()

template<typename T>

bool aria::async::WhenAnyAwaiter< T >::await_ready ( ) const

inlinenoexcept

await_suspend()

template<typename T>

bool aria::async::WhenAnyAwaiter< T >::await_suspend ( std::coroutine_handle<> caller )

inlinenoexcept

await_resume()

template<typename T>

Result aria::async::WhenAnyAwaiter< T >::await_resume ( )

inline

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

• modules/async/include/aria/async/when_all.hpp