[#bsl-is_void-09]
= xref:bsl.adoc[bsl]::xref:bsl/is_void-06.adoc[is_void]<void const volatile>
:relfileprefix: ../
:mrdocs:

This partial specialization of `is_void` derives from `bsl::true_type` for when the (template parameter) `t_TYPE` is `const volatile void`.

== Synopsis

Declared in `<bslmf_isvoid.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<>
struct xref:bsl/is_void-06.adoc[is_void]<void const volatile>
    : xref:bsl/true_type.adoc[bsl::true_type]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:bsl/true_type.adoc[bsl::true_type]`
| Metafunction representing the boolean constant `true`.
|===


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