[#BloombergLP-bdlb-swap-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::swap
:relfileprefix: ../../
:mrdocs:

Exchange the values of the specified `a` and `b` objects. This function provides the no‐throw exception‐safety guarantee.

== Synopsis

Declared in `<bdlb_nullableallocatedvalue_pointerbitspair.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class t_TYPE,
    unsigned int t_NUM_BITS>
void
swap(
    xref:BloombergLP/bdlb/NullableAllocatedValue_PointerBitsPair.adoc[NullableAllocatedValue_PointerBitsPair<t_TYPE, t_NUM_BITS>]& a,
    xref:BloombergLP/bdlb/NullableAllocatedValue_PointerBitsPair.adoc[NullableAllocatedValue_PointerBitsPair<t_TYPE, t_NUM_BITS>]& b);
----


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