[#BloombergLP-bdlar-ArrayConstRef-accessElement]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlar.adoc[bdlar]::xref:BloombergLP/bdlar/ArrayConstRef.adoc[ArrayConstRef]::accessElement
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:mrdocs:

Invoke the specified `accessor` on the array element at the specified `index`. The supplied `accessor` must be a callable type that can be called as if it had the following signature: ` int accessor(const ELEMENT& ref); ` Return the value from the invocation of `accessor`. The behavior is undefined unless `0 <= index < size()`.

== Synopsis

Declared in `<bdlar_arrayref.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ACCESSOR>
int
accessElement(
    t_ACCESSOR& accessor,
    int index) const;
----


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