[#BloombergLP-balm-operator_eq-0f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balm.adoc[balm]::operator==
:relfileprefix: ../../
:mrdocs:

Return `true` if the specified `lhs` and `rhs` metric ids have the same value and `false` otherwise. Two metric ids have the same value if they each hold the address of the same `MetricDescription` object, or both addresses are 0.

== Synopsis

Declared in `<balm_metricid.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
operator==(
    xref:BloombergLP/balm/MetricId.adoc[MetricId] const& lhs,
    xref:BloombergLP/balm/MetricId.adoc[MetricId] const& rhs);
----


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