From the Go specification [1]:
"1. For a nil slice, the number of iterations is 0."
`len` returns 0 if the slice is nil [2]. Therefore, checking
`len(v) > 0` before a loop is unnecessary.
[1]: https://go.dev/ref/spec#For_range
[2]: https://pkg.go.dev/builtin#len
Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
Eng Zer Jun