std::suspend_always - std::suspend_always
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.
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.
This section is incomplete
Reason: no example
suspend_never indicates that an await-expression should never
suspend
(C++20) (class)