Named meter registration

Use named registration when you want multiple logical meter sources in the same application and resolve them explicitly with keyed services.

Register a named meter

var services = new ServiceCollection();

services.AddNamedMeter("orders");

This registers:

• keyed System.Diagnostics.Metrics.Meter with the name orders
• keyed IMeter<T> that resolves to that same named Meter

Resolve the named meter in consumers

public class OrderService([FromKeyedServices("orders")] IMeter<OrderService> meter)
{
}

IMeter<T> remains available as a non-keyed service as well, where the underlying meter name defaults to the type name.