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

Component‐private concept modeling the exposition‐only `boolean‐testable` concept.

== Synopsis

Declared in `<bslstl_optional.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_TYPE>
concept Optional_ConvertibleToBool = bsl::is_convertible_v<t_TYPE, bool>;
----


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