Generator< T >::NextAwaiter Class Reference

#include <Pt/Generator.h>

Provides the awaitable returned by Generator::next(). More...

Inherits AwaiterBase.

Public Member Functions
	NextAwaiter (Generator &generator)
	Constructs a next-awaiter for generator.
	~NextAwaiter ()
	Detaches from the generator if still pending.
void	cancel () override
	Cancels the generator's pending operation.
bool	await_ready () const noexcept
	Returns true if the generator has already finished.
template<typename FormP >
std::coroutine_handle	await_suspend (std::coroutine_handle< FormP > outer)
	Suspends the consumer and resumes the generator. More...
bool	await_resume ()
	Returns true if a yielded value is available. More...

Detailed Description

template<typename T>
class Pt::Generator< T >::NextAwaiter

co_await resumes when the generator yields a value or finishes. The resume value is true if Generator::value() is valid. Cancelling the generator cancels a pending next() await.

Member Function Documentation

await_suspend()

std::coroutine_handle await_suspend

(

std::coroutine_handle< FormP >

outer

)

Exceptions

%std::logic_error

if the generator is already pending.

await_resume()

bool await_resume

(

)

Rethrows if the generator body exited with an exception.