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36 lines
656 B
Go
36 lines
656 B
Go
package txt
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// JoinAnd formats a slice of strings using commas and a localized "and" before the final element.
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// Examples:
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//
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// []string{} => ""
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// []string{"a"} => "a"
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// []string{"a","b"} => "a and b"
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// []string{"a","b","c"} => "a, b, and c"
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func JoinAnd(values []string) string {
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length := len(values)
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switch length {
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case 0:
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return ""
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case 1:
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return values[0]
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case 2:
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return values[0] + " and " + values[1]
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}
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// length >= 3
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result := ""
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for i := 0; i < length; i++ {
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switch i {
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case 0:
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result = values[i]
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case length - 1:
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result += ", and " + values[i]
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default:
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result += ", " + values[i]
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}
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}
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return result
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}
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