17 Language support library [support]

17.12 Coroutines [support.coroutine]

17.12.5 No-op coroutines [coroutine.noop]

17.12.5.2 Class coroutine_handle<noop_coroutine_promise> [coroutine.handle.noop]

17.12.5.2.2 Observers [coroutine.handle.noop.observers]

constexpr explicit operator bool() const noexcept;

Returns: true.

constexpr bool done() const noexcept;

Returns: false.