[#bsl-unordered_set-0d2d-2constructor-02f]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_set-0d2d.adoc[unordered_set]::unordered_set
:relfileprefix: ../../
:mrdocs:

Create an unordered set from the specified `range`.

== Synopsis

Declared in `<bslstl_unorderedset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class RANGE>
unordered_set(
    std::from_range_t tag,
    RANGE&& range,
    ALLOCATOR const& basicAllocator);
----

== Description

Same as the preceding overload, using the specified allocator.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *tag*
| disambiguation tag for the range constructor
| *range*
| range of values to insert
| *basicAllocator*
| allocator used to supply memory
|===


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