[#CCheckQueue-Complete]
= xref:CCheckQueue.adoc[CCheckQueue]::Complete
:relfileprefix: ../
:mrdocs:

Join the execution until completion. If at least one evaluation wasn't successful, return its error.

== Synopsis

Declared in `<checkqueue.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7f2e18ccb778), requires_capability(0x7f2e333923c8), requires_capability(0x7f2e370f4c08), requires_capability(0x7f2e090ef278), requires_capability(0x7f2e2802de28)]]
std::optional<R>
Complete();
----

== Return Value

The error from the first failed check, or std::nullopt if all passed.


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