[#bsl-unordered_set-02a-2constructor-0a] = xref:bsl.adoc[bsl]::xref:bsl/unordered_set-02a.adoc[unordered_set<ManagedAttribute, 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<> requires bsl::IsStdAllocator<ALLOCATOR>::value unordered_set( std::initializer_list<ManagedAttribute> values, xref:bsl/unordered_set-02a/size_type.adoc[size_type] initialNumBuckets, xref:bsl/allocator-0df.adoc[allocator<ManagedAttribute>] const& basicAllocator); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#