mirror of
https://github.com/netbirdio/netbird.git
synced 2024-12-15 03:11:02 +01:00
17 lines
329 B
Go
17 lines
329 B
Go
package util
|
|
|
|
// Difference returns the elements in `a` that aren't in `b`.
|
|
func Difference(a, b []string) []string {
|
|
mb := make(map[string]struct{}, len(b))
|
|
for _, x := range b {
|
|
mb[x] = struct{}{}
|
|
}
|
|
var diff []string
|
|
for _, x := range a {
|
|
if _, found := mb[x]; !found {
|
|
diff = append(diff, x)
|
|
}
|
|
}
|
|
return diff
|
|
}
|