条件语句

一：if...else...

 1 package main
 2 
 3 import "fmt"
 4 
 5 func main() {
 6     var num = 10
 7     var num2 = 20
 8     res := test(num, num2)
 9     fmt.Println(res)
10 }
11 
12 func test(num, num2 int) int {
13     var result int
14     if num > num2 {
15         result = num
16     } else {
17         result = num2
18     }
19     return result
20 }