Pattern matching with C# 7

PatternMatching.cs

public void PatternMatchingWithIsOperator(object o)
{
  if (o is 42)
  {
  }
  if (o is Person p)
  {
  }
  if (o is var v1)
  {
  }
}

public void PatternMatchingWithSwitchStatement(object o)
{
  swtich (o)
  {
    case 42:
      break;
    case Person p when p.FirstName == "Katharina":
      break;
    case Person p:
      break;
    case var v:
      break; 
  }
}