[#bsl-multimap-0ae-key_comp]
= xref:bsl.adoc[bsl]::xref:bsl/multimap-0ae.adoc[multimap]::key_comp
:relfileprefix: ../../
:mrdocs:

Return the key‐comparison functor (or function pointer) used by this multimap; if a comparator was supplied at construction, return its value, otherwise return a default constructed `key_compare` object. Note that this comparator compares objects of type `KEY`, which is the key part of the `value_type` objects contained in this multimap.

== Synopsis

Declared in `<bslstl_multimap.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/multimap-0ae/key_compare.adoc[multimap<KEY, VALUE, COMPARATOR, ALLOCATOR>::key_compare]
key_comp() const;
----


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