[#bsl-unordered_map-02b-2constructor-0ee]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_map-02b.adoc[unordered_map]::unordered_map
:relfileprefix: ../../
:mrdocs:

Create an unordered map having the same value, hasher, key‐equality comparator, and `max_load_factor` as the specified `original`. Use the specified `basicAllocator` to supply memory. This method requires that the (template parameter) type `value_type` be `move‐insertable` into this `unordered_map` (see {Requirements on `value_type`}). Note that a `bslma::Allocator *` can be supplied for `basicAllocator` if the (template parameter) `ALLOCATOR` type is `bsl::allocator` (the default).

== Synopsis

Declared in `<bslstl_unorderedmap.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
unordered_map(
    xref:BloombergLP/bslmf/MovableRef.adoc[BloombergLP::bslmf::MovableRef<unordered_map>] original,
    ALLOCATOR const& basicAllocator);
----


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