36 lines
719 B
Go
36 lines
719 B
Go
package metainfo
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type AnnounceList [][]string
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func (al AnnounceList) Clone() (ret AnnounceList) {
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for _, tier := range al {
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ret = append(ret, append([]string(nil), tier...))
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}
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return
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}
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// Whether the AnnounceList should be preferred over a single URL announce.
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func (al AnnounceList) OverridesAnnounce(announce string) bool {
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for _, tier := range al {
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for _, url := range tier {
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if url != "" || announce == "" {
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return true
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}
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}
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}
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return false
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}
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func (al AnnounceList) DistinctValues() (ret []string) {
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seen := make(map[string]struct{})
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for _, tier := range al {
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for _, v := range tier {
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if _, ok := seen[v]; !ok {
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seen[v] = struct{}{}
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ret = append(ret, v)
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}
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}
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}
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return
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}
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