[#BloombergLP-bslalg-NothrowMovableUtil-unwrap-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/NothrowMovableUtil.adoc[NothrowMovableUtil]::unwrap
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:mrdocs:

Return a reference to the object wrapped in the specified `f` object. If `f` is not wrapped, simply return a reference to `f`. Note that the overloads taking an lvalue argument prevent the overload taking an rvalue argument from treating the argument as a forwarding reference. The return type is chosen so both the value category and constness of the parameter are preserved even in the case of const rvalue references.

== Synopsis

Declared in `<bslalg_nothrowmovableutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
static
bslalg::NothrowMovableUtil::UnwrappedType<TYPE>::type&
unwrap(TYPE& f);
----


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