[#bsl-set-0d-key_comp]
= xref:bsl.adoc[bsl]::xref:bsl/set-0d.adoc[set]::key_comp
:relfileprefix: ../../
:mrdocs:

Return the key‐comparison functor (or function pointer) used by this set; 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 type of the `value_type` objects contained in this set.

== Synopsis

Declared in `<bslstl_set.h>`

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


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