[#BloombergLP-bsltf-swap-08]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsltf.adoc[bsltf]::swap
:relfileprefix: ../../
:mrdocs:

`swap` overloads

== Synopses

Declared in `<bsltf_degeneratefunctor.h>`

Exchange the states of the specified `a` and `b`. Both `a` and `b` will be left in a moved‐into state. No allocations shall occur (so no exceptions will be thrown) unless `a` and `b` have different allocators.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
xref:BloombergLP/bsltf/swap-06.adoc[swap](
    xref:BloombergLP/bsltf/MoveOnlyAllocTestType.adoc[MoveOnlyAllocTestType]& a,
    xref:BloombergLP/bsltf/MoveOnlyAllocTestType.adoc[MoveOnlyAllocTestType]& b);
----

[.small]#xref:BloombergLP/bsltf/swap-06.adoc[_» more..._]#

Exchange the states of the specified `a` and `b`. If the allocators match, both `a` and `b` will be left in a moved‐into state, otherwise, both will not. If `a` and `b` are the same object, this function will have no effect. No allocations shall occur (so no exceptions will be thrown) unless `a` and `b` have different allocators.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
xref:BloombergLP/bsltf/swap-0f.adoc[swap](
    xref:BloombergLP/bsltf/WellBehavedMoveOnlyAllocTestType.adoc[WellBehavedMoveOnlyAllocTestType]& a,
    xref:BloombergLP/bsltf/WellBehavedMoveOnlyAllocTestType.adoc[WellBehavedMoveOnlyAllocTestType]& b);
----

[.small]#xref:BloombergLP/bsltf/swap-0f.adoc[_» more..._]#

Exchange the values of the specified `lhs` and `rhs` objects.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class FUNCTOR>
void
xref:BloombergLP/bsltf/swap-02.adoc[swap](
    xref:BloombergLP/bsltf/DegenerateFunctor.adoc[DegenerateFunctor<FUNCTOR, true>]& lhs,
    xref:BloombergLP/bsltf/DegenerateFunctor.adoc[DegenerateFunctor<FUNCTOR, true>]& rhs);
----

[.small]#xref:BloombergLP/bsltf/swap-02.adoc[_» more..._]#


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