[#BloombergLP-bdlar-SequenceConstRef-accessAttribute-067]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlar.adoc[bdlar]::xref:BloombergLP/bdlar/SequenceConstRef.adoc[SequenceConstRef]::accessAttribute
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:mrdocs:

Invoke the specified `accessor` on the (non‐modifiable) attribute of the referred sequence object indicated by the specified `attributeName` and `attributeNameLength`, supplying `accessor` with the corresponding attribute information structure. The supplied `accessor` must be a callable type that can be called as if it had the following signature: ` template <class t_INFO> int accessor(const ATTRIBUTE& refOrValue, const t_INFO& info); ` Return non‐zero value if the attribute is not found, and the value returned from the invocation of `accessor` otherwise.

== Synopsis

Declared in `<bdlar_sequenceref.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ACCESSOR>
int
accessAttribute(
    t_ACCESSOR& accessor,
    char const* attributeName,
    int attributeNameLength) const;
----


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