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C#

C# static code analysis

Unique rules to find Bugs, Vulnerabilities, Security Hotspots, and Code Smells in your C# code

  • All rules 493
  • Vulnerability46
  • Bug88
  • Security Hotspot24
  • Code Smell335

  • Quick Fix 61
Filtered: 11 rules found
finding
    Impact
      Clean code attribute
        1. Empty "default" clauses should be removed

           Code Smell
        2. Empty "case" clauses that fall through to the "default" should be omitted

           Code Smell
        3. Redundant property names should be omitted in anonymous classes

           Code Smell
        4. Declarations and initializations should be as concise as possible

           Code Smell
        5. Default parameter values should not be passed as arguments

           Code Smell
        6. Constructor and destructor declarations should not be redundant

           Code Smell
        7. Redundant parentheses should not be used

           Code Smell
        8. Members should not be initialized to default values

           Code Smell
        9. "catch" clauses should do more than rethrow

           Code Smell
        10. Redundant modifiers should not be used

           Code Smell
        11. "ToString()" calls should not be redundant

           Code Smell

        Declarations and initializations should be as concise as possible

        intentionality - clear
        maintainability
        Code Smell
        Quick FixIDE quick fixes available with SonarLint
        • finding
        • clumsy

        Why is this an issue?

        How can I fix it?

        More Info

        In C#, the type of a variable can often be inferred by the compiler. The use of the [var keyword](https://learn.microsoft.com/en-us/dotnet/csharp/programming-guide/classes-and-structs/implicitly-typed-local-variables) allows you to avoid repeating the type name in a variable declaration and object instantiation because the declared type can often be inferred by the compiler.

        Additionally, initializations providing the default value can also be omitted, helping to make the code more concise and readable.

        Unnecessarily verbose declarations and initializations should be simplified. Specifically, the following should be omitted when they can be inferred:

        • array element type
        • array size
        • new DelegateType
        • new Nullable<Type>
        • object or collection initializers ({})
        • type of lambda expression parameters
        • parameter declarations of anonymous methods when the parameters are not used.
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          Available Since
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          Developer Edition
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