[#absl-btree_set-extract-0fa]
= xref:absl.adoc[absl]::xref:absl/btree_set.adoc[btree_set]::extract
:relfileprefix: ../../
:mrdocs:

== Synopsis

Declared in `<absl/container/btree_set.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename K = key_type>
node_type
extract(key_arg<K> const& key);
----


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