[#BloombergLP-bslstl-Optional_ImmovableHelper-invocable]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Optional_ImmovableHelper.adoc[Optional_ImmovableHelper]::invocable
:relfileprefix: ../../../
:mrdocs:

callable invoked to produce the result

== Synopsis

Declared in `<bslstl_optional.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
t_INVOCABLE&& invocable;
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#