Perhaps this is similar to how they work in go? "var x []int; fmt.Printf(`%p %d`, x, len(x))" outputs "0x0 0" Indexing "x[0]" results in: "panic: runtime erro

Perhaps this is similar to how they work in go? "var x []int; fmt.Printf(`%p %d`, x, len(x))" outputs "0x0 0" Indexing "x[0]" results in: "panic: runtime error: index out of range [0] with length 0" They can also be appended to and then produce a valid slice.