[#bsl-Pair_BslmaIdiomAllocatorArgT]
= xref:bsl.adoc[bsl]::Pair&lowbar;BslmaIdiomAllocatorArgT
:relfileprefix: ../
:mrdocs:

Type tag for types that take a `bslma&colon;&colon;Allocator&ast;` as the second argument of their constructors, following an argument of type `bsl&colon;&colon;allocator&lowbar;arg&lowbar;t`&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef xref:bsl/integral_constant-02.adoc[bsl::integral&lowbar;constant&lt;int, 2&gt;] Pair&lowbar;BslmaIdiomAllocatorArgT;
----


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