[#BloombergLP-bslalg-HashTableImpUtil_ExtractKeyResult-Impl-test-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult.adoc[HashTableImpUtil_ExtractKeyResult]::xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/Impl.adoc[Impl]::test
:relfileprefix: ../../../../
:mrdocs:

`test` overloads

== Synopses

Declared in `<bslalg_hashtableimputil.h>`

Overload selected when `extractKey` returns `KeyType&`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class ARG>
static
xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/NonConstMatch.adoc[NonConstMatch]
xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/Impl/test-09.adoc[test](xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/KeyType.adoc[KeyType]&(* func)(ARG&));
----

[.small]#xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/Impl/test-09.adoc[_» more..._]#

Overload selected when `extractKey` returns `const KeyType&`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class ARG>
static
xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/ConstMatch.adoc[ConstMatch]
xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/Impl/test-0d.adoc[test](xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/KeyType.adoc[KeyType] const&(* func)(ARG const&));
----

[.small]#xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/Impl/test-0d.adoc[_» more..._]#

Overload selected when `extractKey` returns a converted `KeyType`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class RESULT,
    class ARG>
static
xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/ConversionMatch.adoc[ConversionMatch]
xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/Impl/test-08.adoc[test](RESULT(* func)(ARG));
----

[.small]#xref:BloombergLP/bslalg/HashTableImpUtil_ExtractKeyResult/Impl/test-08.adoc[_» more..._]#

== Return Value

* `NonConstMatch` tag selecting the mutable‐reference category
* `ConstMatch` tag selecting the const‐reference category
* `ConversionMatch` tag selecting the by‐value category

== Parameters

[cols="1,4"]
|===
| Name| Description
| *func*
| pointer to an `extractKey` returning `KeyType&`
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#