[#BloombergLP-bslalg-ConstructorProxy_PolymorphicAllocator-2conversion-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/ConstructorProxy_PolymorphicAllocator.adoc[ConstructorProxy_PolymorphicAllocator]::operator xref:BloombergLP/bslmf/NestedTraitDeclaration.adoc[BloombergLP::bslmf::NestedTraitDeclaration<ConstructorProxy_PolymorphicAllocator, UsesBslmaAllocator, false>]
:relfileprefix: ../../../
:mrdocs:

Declare that `ConstructorProxy_PolymorphicAllocator` does not use a `bslma` allocator when `false` is specified.

== Synopsis

Declared in `<bslalg_constructorproxy.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
operator xref:BloombergLP/bslmf/NestedTraitDeclaration.adoc[BloombergLP::bslmf::NestedTraitDeclaration<ConstructorProxy_PolymorphicAllocator, UsesBslmaAllocator, false>]() const;
----


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