[#BloombergLP-bdld-DatumIntMapRef-front]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/DatumIntMapRef.adoc[DatumIntMapRef]::front
:relfileprefix: ../../../
:mrdocs:

Return a reference to the first entry of this map.

== Synopsis

Declared in `<bdld_datum.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:BloombergLP/bdld/DatumIntMapRef/const_reference.adoc[DatumIntMapRef::const_reference]
front() const;
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== Description

Return a reference providing non‐modifiable access to the first element of the array this reference object represents. The behavior is undefined unless `size() > 0`.

== Return Value

a reference to the first entry of this map


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