NAME¶

std::suspend_never - std::suspend_never

Synopsis¶

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

suspend_never is an empty class which can be used to indicate that an await
expression never suspends and does not produce a value.

Member functions¶

await_ready indicates that an await expression never 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_never::await_ready

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

Always returns true, indicating that an await expression never suspends.

std::suspend_never::await_suspend

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

Does nothing.

std::suspend_never::await_resume

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

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

Example¶

This section is incomplete
Reason: no example

See also¶

suspend_always indicates that an await-expression should always suspend
(C++20) (class)