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

Return the maximum number of objects `allocate` can return.

== Synopsis

Declared in `<bslma_allocatortraits.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
using Base::max_size;
----

== Description

Return the largest number of `value_type` objects that could reasonably be returned by a single invocation of `allocate` for `a`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| allocator whose maximum size is queried
|===


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