Prints duration between ns timestamps from stdin

duration

package main

import (
 "bufio"
 "fmt"
 "log"
 "os"
 "strconv"
 "time"
)

func main() {
 scanner := bufio.NewScanner(os.Stdin)

 var ds []time.Duration
 for scanner.Scan() {
  i, err := strconv.ParseUint(scanner.Text(), 10, 64)
  if err != nil {
    log.Panic(err)
  }

  ds = append(ds, time.Duration(i))
 }

 if scanner.Err() != nil {
  log.Panic(scanner.Err())
 }

 for i := 1; i < len(ds)-1; i++ {
  fmt.Println(ds[i] - ds[i-1])
 }
}