[#bsl-hash_multimap-size] = xref:bsl.adoc[bsl]::xref:bsl/hash_multimap.adoc[hash_multimap]::size :relfileprefix: ../../ :mrdocs: Return the number of elements in this multimap. == Synopsis Declared in `<bslstp_hashmap.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:bsl/hash_multimap/size_type.adoc[size_type] size() const; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#