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17 lines
355 B
Go
17 lines
355 B
Go
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package util
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// SliceDiff returns the elements in slice `x` that are not in slice `y`
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func SliceDiff(x, y []string) []string {
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mapY := make(map[string]struct{}, len(y))
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for _, val := range y {
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mapY[val] = struct{}{}
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}
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var diff []string
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for _, val := range x {
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if _, found := mapY[val]; !found {
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diff = append(diff, val)
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}
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}
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return diff
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}
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