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Code Analyzer for C#

There is a newer version: 10.2.0.105762

Why is this an issue?
Type parameters that aren’t used are dead code, which can only distract and possibly confuse developers during maintenance. Therefore, unused type
parameters should be removed.
Noncompliant code example
public class MoreMath<T>   // Noncompliant; <T> is ignored
{
  public int Add<T>(int a, int b) // Noncompliant; <T> is ignored
  {
    return a + b;
  }
}

Compliant solution
public class MoreMath
{
  public int Add (int a, int b)
  {
    return a + b;
  }
}