[#BloombergLP-bdlc-FlatHashTable_GroupControl-match]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/FlatHashTable_GroupControl.adoc[FlatHashTable_GroupControl]::match
:relfileprefix: ../../../
:mrdocs:

Return a bit mask of the `k_SIZE` entries that have the specified `value`. The bit at index `i` corresponds to the result for `data[i]`. The behavior is undefined unless `0 == (0x80 & value)`.

== Synopsis

Declared in `<bdlc_flathashtable_groupcontrol.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint32_t
match(uint8_t value) const;
----


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