AL0071 - [Meter] class must be partial static

Source generator requires the class to be partial static

Source: Al0071MeterClassMustBePartialStaticAnalyzer.cs

Description

Classes annotated with [Meter] must be partial static so the source generator can emit the metric instrument implementations.

Bad Code

[Meter("MyService")]
public class MyMetrics
{
    [Counter] public static partial void OrderCount();
}

Good Code

[Meter("MyService")]
public static partial class MyMetrics
{
    [Counter] public static partial void OrderCount();
}

Properties

• Category: Metrics
• Severity: Error
• Enabled by default: True
• Code fix available: True

Configuration

dotnet_diagnostic.AL0071.severity = error