[#bsl-hash_map-2constructor-06a]
= xref:bsl.adoc[bsl]::xref:bsl/hash_map.adoc[hash_map]::hash_map
:relfileprefix: ../../
:mrdocs:

Create an empty hash map with at least the specified `__n` buckets.

== Synopsis

Declared in `<bslstp_hashmap.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
hash_map(xref:bsl/hash_map/size_type.adoc[size_type] __n);
----


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