[#BloombergLP-bslma-Default_NewDeleteSetter-2constructor-0e]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslma.adoc[bslma]::xref:BloombergLP/bslma/Default_NewDeleteSetter.adoc[Default_NewDeleteSetter]::Default_NewDeleteSetter
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If `std::pmr::set_default_resource` has not yet been invoked, call it with the address of the `bslma::NewDeleteAllocator` singleton, thus ensuring that `bslma::Default` and `get_default_resource` are in sync.

== Synopsis

Declared in `<bslma_default.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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Default_NewDeleteSetter();
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