[#bsl-is_reference-0c]
= xref:bsl.adoc[bsl]::xref:bsl/is_reference-05.adoc[is_reference]<t_TYPE&>
:relfileprefix: ../
:mrdocs:

This `struct` template implements the `is_reference` meta‐function defined in the C++11 standard [meta.unary.comp]to determine if the (template parameter) `t_TYPE` is a (lvalue or rvalue) reference type.

== Synopsis

Declared in `<bslmf_isreference.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_TYPE>
struct xref:bsl/is_reference-05.adoc[is_reference]<t_TYPE&>
    : xref:bsl/true_type.adoc[true_type]
----

== Description

This specialization for lvalue references derives from `bsl::true_type`.

== Base Classes

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


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