[#bsl-operator_eq-0cf]
= xref:bsl.adoc[bsl]::operator==
:relfileprefix: ../
:mrdocs:

Return true if the specified `lhs` and `rhs` pair objects have the same value and false otherwise. `lhs` has the same value as `rhs` if `lhs.first == rhs.first` and `lhs.second == rhs.second`. A call to this operator will not compile unless both `T1` and `T2` supply `operator==`.

== Synopsis

Declared in `<bslstl_pair.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class T1,
    class T2>
constexpr
bool
operator==(
    xref:bsl/pair-0b.adoc[pair<T1, T2>] const& lhs,
    xref:bsl/pair-0b.adoc[pair<T1, T2>] const& rhs);
----


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