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"
func main() {
var (
perimeter int
width, height = 5, 6
)
// 首先计算: (宽 + 高)
// 然后 : 用 2 与它相乘
// 就和在数学里一样
perimeter = 2 * (width + height)
fmt.Println(perimeter)
}
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