[#bsl-operator_eq-087]
= xref:bsl.adoc[bsl]::operator==
:relfileprefix: ../
:mrdocs:

Return `true` if the specified `lhs` and `rhs` objects have the same value, and `false` otherwise.

== Synopsis

Declared in `<bslstl_unorderedset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class KEY2,
    class HASH2,
    class EQUAL2,
    class ALLOCATOR2>
bool
operator==(
    xref:bsl/unordered_set-0d2d.adoc[unordered_set<KEY2, HASH2, EQUAL2, ALLOCATOR2>] const& lhs,
    xref:bsl/unordered_set-0d2d.adoc[unordered_set<KEY2, HASH2, EQUAL2, ALLOCATOR2>] const& rhs);
----

[NOTE]
====
This function is a https://en.cppreference.com/w/cpp/language/friend[hidden friend] of xref:bsl/unordered_set-0d2d.adoc[unordered_set], declared only inside that class: it can be found only through argument-dependent lookup.
====

== Return Value

`true` if equal, otherwise `false`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *lhs*
| left‐hand‐side unordered set
| *rhs*
| right‐hand‐side unordered set
|===


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