[#bsl-hash_set-empty]
= xref:bsl.adoc[bsl]::xref:bsl/hash_set.adoc[hash_set]::empty
:relfileprefix: ../../
:mrdocs:

Return `true` if this set contains no elements.

== Synopsis

Declared in `<bslstp_hashset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
empty() const;
----


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