public static bool IsDefault(ISwitchExpressionArmOperation arm)
{
if (arm.Pattern.Kind == OperationKind.DiscardPattern)
{
return(true);
}
if (arm.Pattern is IDeclarationPatternOperation declarationPattern)
{
return(declarationPattern.MatchesNull);
}
return(false);
}
private void AnalyzeExpression(OperationAnalysisContext obj)
{
ISwitchExpressionOperation operation = (ISwitchExpressionOperation)obj.Operation;
if (operation.Arms.Length != 1)
{
return;
}
ISwitchExpressionArmOperation caseOperation = operation.Arms[0];
if (caseOperation.Pattern.Kind == OperationKind.DiscardPattern)
{
obj.ReportDiagnostic(Diagnostic.Create(Rule, operation.Arms[0].Syntax.GetLocation()));
return;
}
}
public virtual void VisitSwitchExpressionArm(ISwitchExpressionArmOperation operation)
{
DefaultVisit(operation);
}
