out to duplicate another entry in the switch, the first matching case is chosen.
</p>

<pre>
func f[P any](x any) int {
	switch x.(type) {
	case P:
		return 0
	case string:
		return 1
	case []P:
		return 2
	case []byte:
		return 3
	default:
		return 4
	}
}

var v1 = f[string]("foo")   // v1 == 0

      <match value="N#!\ rnews" type="string" offset="0"/>
      <match value="Forward\ to" type="string" offset="0"/>
      <match value="Pipe\ to" type="string" offset="0"/>
      <match value="Return-Path:" type="stringignorecase" offset="0"/>
      <match value="Message-ID:" type="stringignorecase" offset="0"/>
      <match value="X-Mailer:" type="string" offset="0"/>