package pkg

func fn() {
	var m map[string]int
	var b []byte
	_ = m[string(b)]
	_ = m[string(b)]
	s1 := string(b) //@ diag(`m[string(key)] would be more efficient than k := string(key); m[k]`)
	_ = m[s1]
	_ = m[s1]

	s2 := string(b)
	_ = m[s2]
	_ = m[s2]
	println(s2)
}
