[#bsl-list-054-unique-0b]
= xref:bsl.adoc[bsl]::xref:bsl/list-054.adoc[list]::unique
:relfileprefix: ../../
:mrdocs:

Erase from this list all but the first element of every consecutive group of elements that have the same value.

== Synopsis

Declared in `<bslstl_list.h>`

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


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