[#BloombergLP-bdlc-CompactedArray_ConstIterator-operator_subs]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/CompactedArray_ConstIterator.adoc[CompactedArray_ConstIterator]::operator[]
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:mrdocs:

Return a `const` reference to the element at the specified `offset` from the location referenced by this iterator. The behavior is undefined unless for this iterator, referencing a `CompactedArray` `array`, `CompactedArray_ConstIterator() != *this` and `0 <= *this ‐ array.begin() + offset < array.length()`.

== Synopsis

Declared in `<bdlc_compactedarray.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
TYPE const&
operator[](std::ptrdiff_t offset) const;
----


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