[#bsl-allocator_traits-0ae-const_pointer]
= xref:bsl.adoc[bsl]::xref:bsl/allocator_traits-0ae.adoc[allocator_traits<std::allocator<ALLOCATOR_TYPE>>]::const_pointer
:relfileprefix: ../../
:mrdocs:

The allocator's const pointer type.

== Synopsis

Declared in `<bslma_allocatortraits.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
using const_pointer = _Ptr<__c_pointer, value_type const>::type;
----

== Description

`Alloc::const_pointer` if that type exists, otherwise


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