[#BloombergLP-bdlat_SequenceFunctions-accessAttributes]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlat_SequenceFunctions.adoc[bdlat_SequenceFunctions]::accessAttributes
:relfileprefix: ../../
:mrdocs:

Invoke an accessor on each attribute of a sequence.

== Synopsis

Declared in `<bdlat_sequencefunctions.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class TYPE,
    class ACCESSOR>
int
accessAttributes(
    TYPE const& object,
    ACCESSOR& accessor);
----

== Description

Invoke the specified `accessor` sequentially on each attribute of the specified `object`, supplying `accessor` with the corresponding attribute information structure until such invocation returns a non‐zero value. 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_TYPE& attribute, const t_INFO& info); ` Return the value from the last invocation of `accessor` (i.e., the invocation that terminated the sequence).

== Return Value

value from the last invocation of `accessor`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *object*
| sequence whose attributes are accessed
| *accessor*
| callable invoked with each attribute and its info
|===


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