GOLANG学习5. go build

go build go_dev/day1/package_example/main

会生成在项目根目录里面

go build -o bin/calc.exe go_dev/day1/package_example/main

会生成在指定的gopath bin目录下的

package main

import (

"fmt"

"go_dev/day1/package_example/calc"

)

func main() {

sum := calc.Add(300, 100)

sub := calc.Sub(300, 100)

fmt.Println("sum=", sum)

fmt.Println("sub=", sub)

}