Do not use operators that do not exists

Docs > Code Analysis > Static Analysis Rules > Do not use operators that do not exists

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Metadata

ID: csharp-best-practices/avoid-non-existing-operators

Language: C#

Severity: Warning

Category: Error Prone

Description

Operator += and -= do not exist and will lead to inconsistent or undefined behavior.

Non-Compliant Code Examples

class MyClass {
    public void myMethod()
    {
        int myInt1 = 1;
        int myInt2 = 1;
        myInt2 =+ myInt1;
        myInt2 =- myInt1;

    }
}

Compliant Code Examples

class MyClass {
    public void myMethod()
    {
        int myInt1 = 1;
        int myInt2 = 1;
        myInt2 += myInt1;
        myInt2 -= myInt1;

    }
}

How to use this rule

1
2
rulesets:
  - csharp-best-practices     # Rules to enforce C# best practices.

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