main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
import (
"fmt"
"os"
"strconv"
)
func main() {
if len(os.Args) != 2 {
fmt.Println("Pick a number")
return
}
n, err := strconv.Atoi(os.Args[1])
if err != nil {
fmt.Printf("%q is not a number\n", os.Args[1])
return
}
if n%8 == 0 {
fmt.Printf("%d is an even number and it's divisible by 8\n", n)
} else if n%2 == 0 {
fmt.Printf("%d is an even number\n", n)
} else {
fmt.Printf("%d is an odd number\n", n)
}
}
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