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