[#absl-btree_set-2constructor]
= xref:absl.adoc[absl]::xref:absl/btree_set.adoc[btree&lowbar;set]::btree&lowbar;set
:relfileprefix: ../../
:mrdocs:

Constructs an empty `btree&lowbar;set`&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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btree&lowbar;set();
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