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package cobol
import (
"fmt"
"time"
)
func FormatDuration(d time.Duration) string {
result := ""
// check if it's more than a year
years := int(d.Hours()) / (24 * 365)
if years > 0 {
result += fmt.Sprintf("%dy", years)
return result
}
// check if it's more than a day
days := int(d.Hours()) / 24
if days > 0 {
result += fmt.Sprintf("%dd", days)
return result
}
// check if it's more than an hour
hours := int(d.Hours()) % 24
if hours > 0 {
result += fmt.Sprintf("%dh", hours)
return result
}
// check if it's more than a minute
minutes := int(d.Minutes()) % 60
if minutes > 0 {
result += fmt.Sprintf("%dm", minutes)
return result
}
// check if it's more than a second
seconds := int(d.Seconds()) % 60
if seconds > 0 {
result += fmt.Sprintf("%ds", seconds)
return result
}
// report in milliseconds
ms := int(d.Milliseconds())
if ms > 100 {
// todo: print .3s, etc ?
}
if ms > 0 {
result += fmt.Sprintf("%dms", ms)
return result
}
// report in milliseconds
mc := int(d.Microseconds())
if mc > 0 {
result += fmt.Sprintf("%dmc", mc)
return result
}
ns := int(d.Nanoseconds())
result += fmt.Sprintf("%dns", ns)
return result
}
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