[#bsl-unordered_multimap-0b0-max_bucket_count]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_multimap-0b0.adoc[unordered_multimap]::max_bucket_count
:relfileprefix: ../../
:mrdocs:

Return a theoretical upper bound on the number of buckets.

== Synopsis

Declared in `<bslstl_unorderedmultimap.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_multimap-0b0/size_type.adoc[unordered_multimap<KEY, VALUE, HASH, EQUAL, ALLOCATOR>::size_type]
max_bucket_count() const noexcept;
----

== Description

Return a theoretical upper bound on the largest number of buckets that this container could possibly manage. Note that there is no guarantee that the unordered multimap can successfully grow to the returned size, or even close to that size without running out of resources.

== Return Value

theoretical maximum number of buckets


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