func main() {
	var unitType string = os.Args[1]
	for _, arg := range os.Args[2:] {
		v, err := strconv.ParseFloat(arg, 64)
		if err != nil {
			fmt.Fprintf(os.Stderr, "cf: %v\n", err)
			os.Exit(1)
		}
		switch unitType {
		case "l":
			fallthrough
		case "len":
			fallthrough
		case "length":
			m := lenconv.Meter(v)
			in := lenconv.Inch(v)
			fmt.Printf("%s = %s, %s = %s\n",
				m, lenconv.MToIn(m), in, lenconv.InToM(in))
		case "t":
			fallthrough
		case "temp":
			fallthrough
		case "temperature":
			f := tempconv.Fahrenheit(v)
			c := tempconv.Celsius(v)
			fmt.Printf("%s = %s, %s = %s\n",
				f, tempconv.FToC(f), c, tempconv.CToF(c))
		}
	}
}
Пример #2
0
func main() {
	fmt.Printf("Brrrr! %v\n", tempconv.AbsoluteZeroC) // "Brrrr! -273.15°C"

	fmt.Println(tempconv.CToF(tempconv.BoilingC)) // "212°F"

	//練習 2.1: 向tempconv包添加類型、常量和函數用來處理Kelvin絶對溫度的轉換,Kelvin 絶對零度是−273.15°C,Kelvin絶對溫度1K和攝氏度1°C的單位間隔是一樣的。

}
Пример #3
0
Файл: cf.go Проект: hbdhj/c
func main() {
	for _, arg := range os.Args[1:] {
		t, err := strconv.Parse - Float(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))
	}
}