[#bsl-allocator_traits-0ae-allocate-07]
= xref:bsl.adoc[bsl]::xref:bsl/allocator_traits-0ae.adoc[allocator_traits<std::allocator<ALLOCATOR_TYPE>>]::allocate
:relfileprefix: ../../
:mrdocs:

Allocate memory.

== Synopsis

Declared in `<bslma_allocatortraits.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
constexpr
static
pointer
allocate(
    _Alloc& __a,
    size_type __n);
----

== Description

Calls `a.allocate(n)`

== Return Value

[NOTE]
====
The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^].
====
== Parameters

[cols="1,4"]
|===
| Name| Description
| *__a*
| An allocator.
| *__n*
| The number of objects to allocate space for.
|===


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