[#BloombergLP-bdlar-bdlat_sequenceAccessAttribute-0e]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlar.adoc[bdlar]::bdlat_sequenceAccessAttribute
:relfileprefix: ../../
:mrdocs:

Invoke the specified `accessor` on the named attribute of `ref`.

== Synopsis

Declared in `<bdlar_sequenceref.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ACCESSOR>
int
bdlat_sequenceAccessAttribute(
    xref:BloombergLP/bdlar/SequenceConstRef.adoc[SequenceConstRef] const& ref,
    t_ACCESSOR& accessor,
    char const* attributeName,
    int attributeNameLength);
----

== Description

Invoke the specified `accessor` on the attribute of the specified `ref` identified by the specified `attributeName` and `attributeNameLength`. Return the value from the invocation of `accessor`.

== Return Value

value from the invocation of `accessor`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ref*
| sequence reference to access
| *accessor*
| callable invoked on the attribute
| *attributeName*
| name of the attribute
| *attributeNameLength*
| length of `attributeName`
|===


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