[#BloombergLP-bslalg-HashTableImpUtil-extractValue]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/HashTableImpUtil.adoc[HashTableImpUtil]::extractValue
:relfileprefix: ../../../
:mrdocs:

Return a reference providing non‐modifiable access to the value (of type `KEY_CONFIG::ValueType`) held by the specified `link`. The behavior is undefined unless `link` refers to a node of type `BidirectionalNode<KEY_CONFIG::ValueType>`. `KEY_CONFIG` shall be a namespace providing the type name `ValueType`.

== Synopsis

Declared in `<bslalg_hashtableimputil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class KEY_CONFIG>
static
KEY_CONFIG::ValueType&
extractValue(xref:BloombergLP/bslalg/BidirectionalLink.adoc[BidirectionalLink]* link);
----


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