[#bsl-ComparatorSelector-061]
= xref:bsl.adoc[bsl]::ComparatorSelector
:relfileprefix: ../
:mrdocs:

This meta‐function selects the appropriate implementation for comparing the parameterized `TYPE`. This generic template uses the `std::equal_to` functor.

== Synopsis

Declared in `<bslstp_exfunctional.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class HASH_KEY>
struct ComparatorSelector;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:bsl/ComparatorSelector-061/Type.adoc[`Type`] 
| This `typedef` is an alias to `bsl::equal_to<HASH_KEY>`.
|===


== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:bsl/ComparatorSelector-064.adoc[`ComparatorSelector<char const*>`] 
| This meta‐function is specialized for `const char *`, and uses the `StringComparator` functor to compare the string values.
|===



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