[#bsl-vector-0cf-pop_back]
= xref:bsl.adoc[bsl]::xref:bsl/vector-0cf.adoc[vector<unsigned char>]::pop_back
:relfileprefix: ../../
:mrdocs:

Erase the last element from this vector. The behavior is undefined if this vector is empty.

== Synopsis

Declared in `<bslstl_vector.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
pop_back();
----


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