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Source: Al0110TracedTagOnOutRefParameterAnalyzer.cs

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Description

[TracedTag] captures the parameter value as a span attribute at call time. For out and ref parameters, the value is not available until after the method executes, making the tag capture meaningless or incorrect.

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Bad Code

[Traced("MyApp")]
public bool TryParse(string input, [TracedTag] out int result)
{
    result = 0;
    return true;
}

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Good Code

[Traced("MyApp")]
public bool TryParse([TracedTag] string input, out int result)
{
    result = 0;
    return true;
}

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Properties

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

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Configuration

dotnet_diagnostic.AL0110.severity = error