[#BloombergLP-bslmf-MovableRefUtil-move_if_noexcept-04]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::xref:BloombergLP/bslmf/MovableRefUtil.adoc[MovableRefUtil]::move_if_noexcept
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:mrdocs:

Return a const‐qualified reference to the specified `lvalue`. This function is selected by overload resolution if the move constructor for `t_TYPE` might throw an exception. Constructing a `t_TYPE` object from the result will result in the copy constructor being invoked rather than the (unsafe) move constructor.

== Synopsis

Declared in `<bslmf_movableref.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_TYPE>
static
t_TYPE const&
move_if_noexcept(t_TYPE& lvalue) noexcept
requires !bsl::is_nothrow_move_constructible<t_TYPE>::value &&
            bsl::is_copy_constructible<t_TYPE>::value;
----


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