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