[#bsl-String_ComparisonCategory-0e]
= xref:bsl.adoc[bsl]::xref:bsl/String_ComparisonCategory-07.adoc[String_ComparisonCategory]<CHAR_TRAITS, xref:bsl/void_t.adoc[bsl::void_t<CHAR_TRAITS::comparison_category>]>
:relfileprefix: ../
:mrdocs:

Meta‐function selecting the comparison category for `basic_string`.

== Synopsis

Declared in `<bslstl_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class CHAR_TRAITS>
struct xref:bsl/String_ComparisonCategory-07.adoc[String_ComparisonCategory]<CHAR_TRAITS, xref:bsl/void_t.adoc[bsl::void_t<CHAR_TRAITS::comparison_category>]>;
----

== Description

Partial specialization used when `CHAR_TRAITS` defines `comparison_category`.

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:bsl/String_ComparisonCategory-0e/type.adoc[`type`] 
| Comparison category type from `CHAR_TRAITS::comparison_category`.
|===



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