[#bsl-vectorBase-033-size]
= xref:bsl.adoc[bsl]::xref:bsl/vectorBase-033.adoc[vectorBase<unsigned char>]::size
:relfileprefix: ../../
:mrdocs:

Return the number of elements in this vector.

== Synopsis

Declared in `<bslstl_vector.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/vectorBase-06a/size_type.adoc[size_type]
size() const noexcept;
----


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