944b4ea1c7
This facilitates the refactoring of commands.go Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes) Upstream-commit: 3ecd8ff0c80c593e1874cbfa0cc2abf946eeaf66 Component: engine
29 lines
459 B
Go
29 lines
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)
|
|
}
|