[#bsl-is_rvalue_reference-00]
= xref:bsl.adoc[bsl]::is_rvalue_reference
:relfileprefix: ../
:mrdocs:

This `struct` template provides a meta‐function to determine whether the (template parameter) `t_TYPE` is a (possibly cv‐qualified) rvalue reference type. This generic default template derives from `bsl::false_type`. A template specialization is provided (below) that derives from `bsl::true_type`.

== Synopsis

Declared in `<bslmf_isrvaluereference.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_TYPE>
struct is_rvalue_reference
    : xref:bsl/false_type.adoc[false_type]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:bsl/false_type.adoc[false_type]`
| Metafunction representing the boolean constant `false`.
|===

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:bsl/is_rvalue_reference-04.adoc[`is_rvalue_reference<t_TYPE&&>`] 
| This partial specialization of `is_rvalue_reference` derives from `bsl::true_type` for when the (template parameter) `t_TYPE` is an rvalue reference type.
|===



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