Join the execution until completion. If at least one evaluation wasn't successful, return its error.
Declared in <checkqueue.h>
[[requires_capability(0x7fbca78ebfa8), requires_capability(0x7fbca360abd8), requires_capability(0x7fbc84e44968), requires_capability(0x7fbc855af8b8), requires_capability(0x7fbc9cfc6e38)]]
std::optional<R>
Complete();The error from the first failed check, or std::nullopt if all passed.