[#BloombergLP-bslma-UsesBslmaAllocator-080]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslma.adoc[bslma]::xref:BloombergLP/bslma/UsesBslmaAllocator-020.adoc[UsesBslmaAllocator]&lt;xref:bsl/stop_callback-06.adoc[bsl::stop&lowbar;callback&lt;t&lowbar;CALLBACK&gt;]&gt;
:relfileprefix: ../../
:mrdocs:

== Synopsis

Declared in `&lt;bslstl&lowbar;stoptoken&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class t&lowbar;CALLBACK&gt;
struct xref:BloombergLP/bslma/UsesBslmaAllocator-020.adoc[UsesBslmaAllocator]&lt;xref:bsl/stop_callback-06.adoc[bsl::stop&lowbar;callback&lt;t&lowbar;CALLBACK&gt;]&gt;
    : xref:BloombergLP/bslma/UsesBslmaAllocator-020.adoc[UsesBslmaAllocator&lt;t&lowbar;CALLBACK&gt;]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:BloombergLP/bslma/UsesBslmaAllocator-020.adoc[UsesBslmaAllocator&lt;t&lowbar;CALLBACK&gt;]`
| This metafunction is derived from `true&lowbar;type` if `TYPE` adheres to the `bslma` allocator usage idiom and `false&lowbar;type` otherwise&period; Note that this trait must be explicitly associated with a type in order for this metafunction to return true&semi; simply having a constructor that implicitly converts `bslma&colon;&colon;Allocator &ast;` to `TYPE` is deprecated as a means of indicating that a type follows the `bslma` allocator usage idiom&period;
|===

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:bsl/integral_constant-02/type.adoc[`type`] 
| Alias for this `integral&lowbar;constant` specialization&period;
| xref:bsl/integral_constant-02/value_type.adoc[`value&lowbar;type`] 
| 
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:bsl/integral_constant-02/operator_call.adoc[`operator()`] 
| Return a copy of the template argument `t&lowbar;VALUE`&period;
| xref:bsl/integral_constant-02/2conversion.adoc[`operator value&lowbar;type`] 
| 
|===


== Static Data Members

[cols="1"]
|===
| Name
| xref:bsl/integral_constant-02/value.adoc[`value`] 
|===



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