22 lines
491 B
Go
22 lines
491 B
Go
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package util
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func InStringSlice(sl []string, ele string) bool {
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slMap := convertStrSlice2Map(sl)
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return inMap(slMap, ele)
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}
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// ConvertStrSlice2Map 将字符串 slice 转为 map[string]struct{}。
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func convertStrSlice2Map(sl []string) map[string]struct{} {
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set := make(map[string]struct{}, len(sl))
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for _, v := range sl {
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set[v] = struct{}{}
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}
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return set
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}
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// InMap 判断字符串是否在 map 中。
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func inMap(m map[string]struct{}, s string) bool {
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_, ok := m[s]
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return ok
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}
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