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30 lines
520 B
Go
30 lines
520 B
Go
package cli
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import "unicode"
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// lexicographicLess compares strings alphabetically considering case.
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func lexicographicLess(i, j string) bool {
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iRunes := []rune(i)
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jRunes := []rune(j)
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lenShared := len(iRunes)
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if lenShared > len(jRunes) {
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lenShared = len(jRunes)
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}
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for index := 0; index < lenShared; index++ {
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ir := iRunes[index]
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jr := jRunes[index]
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if lir, ljr := unicode.ToLower(ir), unicode.ToLower(jr); lir != ljr {
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return lir < ljr
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}
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if ir != jr {
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return ir < jr
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}
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}
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return i < j
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}
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