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

This templated utility provides methods to construct an `ENTRY` and a method to extract the key from an `ENTRY`.

== Synopsis

Declared in `<bdlc_flathashmap.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class KEY,
    class VALUE,
    class ENTRY>
struct FlatHashMap_EntryUtil;
----

== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlc/FlatHashMap_EntryUtil/construct.adoc[`construct`] 
| Load into the specified `entry` the `ENTRY` value constructed from specified `args`, using the specified `allocator` to supply memory. `allocator` is ignored if the (template parameter) type `ENTRY` is not allocator aware.
| xref:BloombergLP/bdlc/FlatHashMap_EntryUtil/constructFromKey.adoc[`constructFromKey`] 
| Load into the specified `entry` the `ENTRY` value comprised of the specified `key` and a default constructed `VALUE`, using the specified `allocator` to supply memory. `allocator` is ignored if the (template parameter) type `ENTRY` is not allocator aware.
| xref:BloombergLP/bdlc/FlatHashMap_EntryUtil/key.adoc[`key`] 
| Return the key of the specified `entry`.
|===



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