[#BloombergLP-bslmf-Util-declval]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::xref:BloombergLP/bslmf/Util.adoc[Util]::declval
:relfileprefix: ../../../
:mrdocs:

Return an rvalue reference to an object of the specified `t_TYPE` for use in unevaluated contexts. This function is declared but not defined.

== Synopsis

Declared in `<bslmf_util.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_TYPE>
constexpr
static
bsl::add_rvalue_reference<t_TYPE>::type
declval() noexcept;
----


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