[#BDLB_ARRAYUTIL_LENGTH]
= BDLB&lowbar;ARRAYUTIL&lowbar;LENGTH
:mrdocs:

Return the number of elements in the passed array `a` as a constant expression&period;

== Synopsis

Declared in `&lt;bdlb&lowbar;arrayutil&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
#define BDLB&lowbar;ARRAYUTIL&lowbar;LENGTH(a)

----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| array whose length is returned
|===


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