[#bsl-unordered_set-09-2constructor-00]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_set-09.adoc[unordered_set<Attribute, AttributeHash>]::unordered_set
:relfileprefix: ../../
:mrdocs:

Same as the preceding overload, using the specified allocator.

== Synopsis

Declared in `<bslstl_unorderedset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class RANGE>
unordered_set(
    std::from_range_t,
    RANGE&& range,
    xref:bsl/unordered_set-09/size_type.adoc[size_type] initialNumBuckets,
    xref:BloombergLP/ball/DefaultAttributeContainer.adoc[AttributeHash] const& hashFunction,
    xref:bsl/allocator-0df.adoc[allocator<Attribute>] const& basicAllocator);
----


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