[#BloombergLP-bdlm]
= xref:BloombergLP.adoc[BloombergLP]::bdlm
:relfileprefix: ../
:mrdocs:

Namespace for metrics components in the `bdl` package group.

== Types

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlm/InstanceCount.adoc[`InstanceCount`] 
| This mechanism provides type specific instance counts.
| xref:BloombergLP/bdlm/Metric.adoc[`Metric`] 
| This class provides storage for various types of metric values.
| xref:BloombergLP/bdlm/MetricDescriptor.adoc[`MetricDescriptor`] 
| This attribute class characterizes how to describe a metric.
| xref:BloombergLP/bdlm/MetricsAdapter.adoc[`MetricsAdapter`] 
| This protocol class provides a pure abstract interface and contract for clients and suppliers of metrics adapters.
| xref:BloombergLP/bdlm/MetricsRegistry.adoc[`MetricsRegistry`] 
| This class implements a mechanism that provides a registry of metrics that is transferable to implementations of the `bdlm::MetricsAdapter` protocol. This class is _usually_ a singleton.
| xref:BloombergLP/bdlm/MetricsRegistryRegistrationHandle.adoc[`MetricsRegistryRegistrationHandle`] 
| This class implements a registration handle that provides RAII semantics for metric registration.
|===


== Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlm/operator_eq-0b9.adoc[`operator==`] 
| Equality operators
| xref:BloombergLP/bdlm/operator_not_eq-0d.adoc[`operator!=`] 
| Inequality operators
|===



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