[#bsl-unordered_set-0d2d-operator_assign-0d]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_set-0d2d.adoc[unordered_set]::operator=
:relfileprefix: ../../
:mrdocs:

Assign to this object the value, hash function, and equality comparator of the specified `rhs` object, propagate to this object the allocator of `rhs` if the `ALLOCATOR` type has trait `propagate_on_container_copy_assignment`, and return a reference providing modifiable access to this object. If an exception is thrown, `*this` is left in a valid but unspecified state. This method requires that the (template parameter) type `KEY` be `copy‐assignable` and 'copy‐insertable" into this set (see {Requirements on `KEY`}).

== Synopsis

Declared in `<bslstl_unorderedset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_set-0d2d.adoc[unordered_set<KEY, HASH, EQUAL, ALLOCATOR>]&
operator=(xref:bsl/unordered_set-0d2d.adoc[unordered_set] const& rhs);
----


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