netbird/management/server/util/util.go
Viktor Liu ddc365f7a0
[client, management] Add new network concept (#3047)
---------

Co-authored-by: Pascal Fischer <32096965+pascal-fischer@users.noreply.github.com>
Co-authored-by: bcmmbaga <bethuelmbaga12@gmail.com>
Co-authored-by: Maycon Santos <mlsmaycon@gmail.com>
Co-authored-by: Zoltan Papp <zoltan.pmail@gmail.com>
2024-12-20 11:30:28 +01:00

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
}