* ✏️ Fix typo in `fastapi/security/api_key.py`. PR [#11481](https://github.com/tiangolo/fastapi/pull/11481) by [@ch33zer](https://github.com/ch33zer).

	// type of s is string
	// s == a[i]
	g(i, s)
}

var key string
var val interface{}  // element type of m is assignable to val
m := map[string]int{"mon":0, "tue":1, "wed":2, "thu":3, "fri":4, "sat":5, "sun":6}
for key, val = range m {
	h(key, val)
}
// key == last map key encountered in iteration
// val == map[key]

var ch chan Work = producer()
for w := range ch {
	doWork(w)
}