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

Return an iterator providing non&hyphen;modifiable access to the first element of the array of map entries this reference object represents&semi; return a past&hyphen;the&hyphen;end iterator if `size() &equals;&equals; 0`&period;

== Synopsis

Declared in `&lt;bdld&lowbar;datum&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:BloombergLP/bdld/DatumIntMapRef/const_iterator.adoc[DatumIntMapRef::const&lowbar;iterator]
cbegin() const noexcept;
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