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45 lines
585 B
45 lines
585 B
![]()
4 years ago
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package solutions
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func Slice(arr []string, nbr ...int) []string {
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if len(nbr) == 0 {
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return arr
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}
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first := nbr[0]
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if len(nbr) == 1 {
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if first < 0 {
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first = len(arr) + first
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if first < 0 {
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return arr
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}
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}
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return arr[first:]
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} else {
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second := nbr[1]
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first = ifNegative(arr, first)
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second = ifNegative(arr, second)
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if first > second {
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return []string{}
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}
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return arr[first:second]
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}
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}
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func ifNegative(arr []string, n int) int {
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if n < 0 {
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n = len(arr) + n
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}
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if n < 0 {
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n = 0
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} else if n > len(arr) {
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n = len(arr)
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}
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return n
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}
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