</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
var v2 = f[byte]([]byte{})  // v2 == 2
</pre>

<p>

* 📝 Add External Link: FastAPI lambda container: serverless simplified. PR [#5784](https://github.com/tiangolo/fastapi/pull/5784) by [@rafrasenberg](https://github.com/rafrasenberg).

### Translations