NAME¶

std::suspend_always - std::suspend_always

Synopsis¶

Defined in header <coroutine>
struct suspend_always; (since C++20)

suspend_always is an empty class which can be used to indicate that an await
expression always suspends and does not produce a value.

Member functions¶

await_ready indicates that an await expression always suspends
(C++20) (public member function)
await_suspend no-op
(C++20) (public member function)
await_resume no-op
(C++20) (public member function)

std::suspend_always::await_ready

constexpr bool await_ready() const noexcept { return false; } (since C++20)

Always returns false, indicating that an await expression always suspends.

std::suspend_always::await_suspend

constexpr void await_suspend(std::coroutine_handle<>) const noexcept (since C++20)
{}

Does nothing.

std::suspend_always::await_resume

constexpr void await_resume() const noexcept {} (since C++20)

Does nothing. An await expression does not produce a value if suspend_always is
used.

Example¶

This section is incomplete
Reason: no example

See also¶

suspend_never indicates that an await-expression should never suspend
(C++20) (class)