[#absl-btree_multiset-extract-08]
= xref:absl.adoc[absl]::xref:absl/btree_multiset.adoc[btree&lowbar;multiset]::extract
:relfileprefix: ../../
:mrdocs:

== Synopsis

Declared in `&lt;absl&sol;container&sol;btree&lowbar;set&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;typename K = key&lowbar;type&gt;
node&lowbar;type
extract(key&lowbar;arg&lt;K&gt; const& key);
----


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