[#bsl-allocator_traits-05e-max_size]
= xref:bsl.adoc[bsl]::xref:bsl/allocator_traits-05e.adoc[allocator_traits<allocator<TYPE>>]::max_size
:relfileprefix: ../../
:mrdocs:

Return the maximum number of elements allocatable by `m`.

== Synopsis

Declared in `<bslma_bslallocator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
static
xref:bsl/allocator_traits-05e/size_type.adoc[size_type]
max_size(xref:bsl/allocator_traits-05e/allocator_type.adoc[allocator_type] const& m);
----

== Description

Return the maximum number of elements that the specified `m` allocator can allocate in a single call to `allocate`.

== Return Value

maximum number of elements allocatable by `m`

== Parameters

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


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