[#bsl-hash_set-insert-0e] = xref:bsl.adoc[bsl]::xref:bsl/hash_set.adoc[hash_set]::insert :relfileprefix: ../../ :mrdocs: Insert the specified `__obj` if no equivalent element exists. == Synopsis Declared in `<bslstp_hashset.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:bsl/pair-0b.adoc[pair<iterator, bool>] insert(xref:bsl/hash_set/value_type.adoc[value_type] const& __obj); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#