[#BloombergLP-bdlb-swap-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::swap
:relfileprefix: ../../
:mrdocs:

Exchange the values of the specified `lhs` and `rhs` objects when `TYPE` does not use a `bslma::Allocator`.

== Synopsis

Declared in `<bdlb_nullablevalue.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
void
swap(
    xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue<TYPE>]& lhs,
    xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue<TYPE>]& rhs)
requires !BloombergLP::bslma::UsesBslmaAllocator<TYPE>::value;
----


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