func main() {
for _, arg := range os.Args[1:] {
t, err := strconv.ParseFloat(arg, 64)
if err != nil {
fmt.Fprintf(os.Stderr, "cf: %v\n", err)
os.Exit(1)
}
f := tempconv.Fahrenheit(t)
c := tempconv.Celsius(t)
fmt.Printf("%s = %s, %s = %s\n", f, tempconv.FToC(f), c, tempconv.CToF(c))
}
}
func temp(n float64) string {
f := tempconv.Fahrenheit(n)
c := tempconv.Celsius(n)
return fmt.Sprintf("%s = %s, %s = %s", f, tempconv.FToC(f), c, tempconv.CToF(c))
}