[#bsl-hashtable-insert_unique-05]
= xref:bsl.adoc[bsl]::xref:bsl/hashtable.adoc[hashtable]::insert_unique
:relfileprefix: ../../
:mrdocs:

Insert the specified `__obj` if no equivalent element exists.

== Synopsis

Declared in `<bslstp_hashtable.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/pair-0b.adoc[pair<iterator, bool>]
insert_unique(xref:bsl/hashtable/value_type.adoc[value_type] const& __obj);
----


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