[#BloombergLP-bdlc-FlatHashMap-2constructor-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/FlatHashMap.adoc[FlatHashMap]::FlatHashMap
:relfileprefix: ../../../
:mrdocs:

Create an empty map with at least the specified `capacity`.

== Synopsis

Declared in `<bdlc_flathashmap.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
FlatHashMap(std::size_t capacity);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *capacity*
| minimum initial capacity of the underlying array
|===


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