[#bsl-hash_set-2constructor-01]
= xref:bsl.adoc[bsl]::xref:bsl/hash_set.adoc[hash_set]::hash_set
:relfileprefix: ../../
:mrdocs:

Create a hash set from the specified iterator range.

== Synopsis

Declared in `<bslstp_hashset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class _InputIterator>
hash_set(
    _InputIterator __f,
    _InputIterator __l,
    xref:bsl/hash_set/allocator_type.adoc[allocator_type] const& __a);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *__f*
| beginning of the input range
| *__l*
| end of the input range
| *__a*
| allocator used to supply memory
|===


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