[#BloombergLP-bdlc-HashTable-2constructor-04]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/HashTable.adoc[HashTable]::HashTable
:relfileprefix: ../../../
:mrdocs:

Create a double&hyphen;hash table with the specified `capacityHint`&period; Use the specified `hashFunctor1` as the first hash function&semi; use the specified `hashFunctor2` as the second hash function&period; Optionally specify a `basicAllocator` used to supply memory&period; If `basicAllocator` is 0, the currently installed default allocator is used&period; The behavior is undefined unless `0 !&equals; capacityHint`, and `hashFunction1` and `hashFunction2` are valid&period; Note that `capacityHint` can be either a positive integer or a negative integer&period; If `capacityHint` is positive, then the capacity of the hash table will be the first available prime number larger than, or equal to, `capacityHint`&period; Otherwise, the capacity of the hash table will be the first available prime number smaller than, or equal to, `capacityHint`&period;

== Synopsis

Declared in `&lt;bdlc&lowbar;hashtable&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
HashTable(
    xref:BloombergLP/bsls/Types/Int64.adoc[bsls::Types::Int64] capacityHint,
    HASH1 const& hashFunctor1,
    HASH2 const& hashFunctor2,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----


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