24 lines
488 B
Go
24 lines
488 B
Go
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package validation
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import "sort"
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func makeUnique(choices []string) (uniqueChoices []string) {
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seen := make(map[string]struct{}, len(choices))
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uniqueChoices = make([]string, 0, len(uniqueChoices))
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for _, choice := range choices {
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if _, ok := seen[choice]; ok {
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continue
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}
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seen[choice] = struct{}{}
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uniqueChoices = append(uniqueChoices, choice)
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}
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sort.Slice(uniqueChoices, func(i, j int) bool {
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return uniqueChoices[i] < uniqueChoices[j]
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})
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return uniqueChoices
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}
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