24 lines
642 B
Go
24 lines
642 B
Go
package teamspeak
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// diffSlices 比较两个 OnlineClient 类型切片，返回新增和删除的字符串类型切片
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func diffSlices(before, now []OnlineClient) (added, removed []string) {
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beforeMap := make(map[OnlineClient]bool)
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nowMap := make(map[OnlineClient]bool)
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// 把 A 和 B 转成 map
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for _, item := range before { beforeMap[item] = true }
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for _, item := range now { nowMap[item] = true }
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// 删除
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for item := range nowMap {
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if !beforeMap[item] { added = append(added, item.Username)}
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}
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// 新增
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for item := range beforeMap {
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if !nowMap[item] { removed = append(removed, item.Username) }
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}
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return
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}
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