[#BloombergLP-bdlc-PackedIntArray-0b-begin] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/PackedIntArray-0b.adoc[PackedIntArray]::begin :relfileprefix: ../../../ :mrdocs: Return an iterator to the first element (or `end()` if empty). == Synopsis Declared in `<bdlc_packedintarray.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:BloombergLP/bdlc/PackedIntArray-0b/const_iterator.adoc[PackedIntArray<TYPE>::const_iterator] begin() const; ---- == Description Return an iterator referring to the first element in this array (or the past‐the‐end iterator if this array is empty). This reference remains valid as long as this array exists. == Return Value iterator to the first element, or `end()` if empty [.small]#Created with https://www.mrdocs.com[MrDocs]#