[#SerialTaskRunner-size]
= xref:SerialTaskRunner.adoc[SerialTaskRunner]::size
:relfileprefix: ../
:mrdocs:

Returns the number of callbacks still pending in the runner.

== Synopsis

Declared in `<scheduler.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7f2e20c05f08)]]
virtual
size_t
size() override;
----

== Return Value

The count of queued, not‐yet‐executed callbacks.


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