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47 lines
597 B

package main
func main() {
}
func Slice(arr []string, nbr ...int) []string {
if len(nbr) == 0 {
return arr
}
first := nbr[0]
if len(nbr) == 1 {
if first < 0 {
first = len(arr) + first
if first < 0 {
return arr
}
}
return arr[first:]
} else {
second := nbr[1]
first = ifNegative(arr, first)
second = ifNegative(arr, second)
if first > second {
return []string{}
}
return arr[first:second]
}
}
func ifNegative(arr []string, n int) int {
if n < 0 {
n = len(arr) + n
}
if n < 0 {
n = 0
} else if n > len(arr) {
n = len(arr)
}
return n
}