Declare StdAllocatorAdaptor as a standard allocator.
StdAllocatorAdaptor
Declared in <bsltf_stdallocatoradaptor.h>
<bsltf_stdallocatoradaptor.h>
operator BloombergLP::bslmf::NestedTraitDeclaration<StdAllocatorAdaptor, IsStdAllocator>() const;