[#BloombergLP-bslma-AllocatorUtil-adapt-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslma.adoc[bslma]::xref:BloombergLP/bslma/AllocatorUtil.adoc[AllocatorUtil]::adapt
:relfileprefix: ../../../
:mrdocs:

Return the specified `from` allocator adapted to a type most likely to be usable for initializing another AA object. Specifically, return `from.mechanism()` if `from` is a specialization of `bsl::allocator` (or a class derived from `bsl::allocator`); otherwise return `from` unchanged.

== Synopsis

Declared in `<bslma_allocatorutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ALLOC>
static
t_ALLOC
adapt(t_ALLOC const& from)
requires ! IsDerivedFromBslAllocator<t_ALLOC>::value;
----


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