docker/nat/sort.go

29 строки
459 B
Go

package nat
import "sort"
type portSorter struct {
ports []Port
by func(i, j Port) bool
}
func (s *portSorter) Len() int {
return len(s.ports)
}
func (s *portSorter) Swap(i, j int) {
s.ports[i], s.ports[j] = s.ports[j], s.ports[i]
}
func (s *portSorter) Less(i, j int) bool {
ip := s.ports[i]
jp := s.ports[j]
return s.by(ip, jp)
}
func Sort(ports []Port, predicate func(i, j Port) bool) {
s := &portSorter{ports, predicate}
sort.Sort(s)
}