Prevent empty default cases

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Metadata

ID: csharp-best-practices/no-empty-default

Language: C#

Severity: Info

Category: Best Practices

Description

The default section of a switch should not be empty. If there is an error to raise, throw an exception, print a lock, and emit a metric.

Non-Compliant Code Examples

class MyClass {
    public static bool filter(int target)
    {
        switch(target) {
            case 1:
                doSomething();
                break;
            default:
                break;
        }
    }
}

Compliant Code Examples

class MyClass {
    public static bool filter(int target)
    {
        switch(target) {
            case 1:
                doSomething();
                break;
            default:
                doSomethingElse();
                break;
        }
    }
}
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