[#BloombergLP-bslma-AllocatorTraits_PropOnSwap-08]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslma.adoc[bslma]::xref:BloombergLP/bslma/AllocatorTraits_PropOnSwap-07.adoc[AllocatorTraits_PropOnSwap]<ALLOC, true>
:relfileprefix: ../../
:mrdocs:

This `struct` template sets the boolean type for the attribute named `propagate_on_container_swap` to the nested type alias in the given (template parameter) `ALLOCATOR_TYPE` if `ALLOCATOR_TYPE` defines such an alias (i.e., `false == AllocatorTraits_HasPropOnSwap<ALLOCATOR_TYPE>::value`).

== Synopsis

Declared in `<bslma_allocatortraits.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class ALLOC>
struct xref:BloombergLP/bslma/AllocatorTraits_PropOnSwap-07.adoc[AllocatorTraits_PropOnSwap]<ALLOC, true>
    : ALLOC::propagate_on_container_swap
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `ALLOC::propagate_on_container_swap`
| 
|===


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