[#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(0x7f951199bd78), requires_capability(0x7f9503ee8578), requires_capability(0x7f9526afcdf8), requires_capability(0x7f9524c07798), requires_capability(0x7f94f1580758)]]
std::optional<R>
Complete();
----

== Return Value

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


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