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() {
speed := 100 // int
force := 2.5 // float64
// 错误: 无效的操作符
// ERROR: invalid op
// speed = speed * force
// 转换可以是一个破坏性的操作
// `force` 失去了它的分数部分...
speed = speed * int(force)
fmt.Println(speed)
}
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