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52 lines
843 B
52 lines
843 B
package util
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import (
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"fmt"
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"sort"
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)
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// HumanReadableIntsMax joins a serials of inits into a smart one like 1-3 5 ... for human readable.
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func HumanReadableIntsMax(max int, ids ...int) string {
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if len(ids) <= max {
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return HumanReadableInts(ids...)
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}
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return HumanReadableInts(ids[:max]...) + " ..."
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}
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// HumanReadableInts joins a serials of inits into a smart one like 1-3 5 7-10 for human readable.
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func HumanReadableInts(ids ...int) string {
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sort.Ints(ids)
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s := ""
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start := 0
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last := 0
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for i, v := range ids {
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if i == 0 {
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start = v
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last = v
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s = fmt.Sprintf("%d", v)
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continue
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}
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if last+1 == v {
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last = v
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continue
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}
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if last > start {
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s += fmt.Sprintf("-%d", last)
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}
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s += fmt.Sprintf(" %d", v)
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start = v
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last = v
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}
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if last != start {
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s += fmt.Sprintf("-%d", last)
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}
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return s
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}
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