https://play.golang.org/p/YMfpuluzef
判断结构体是否为空
打印带attribute(key) 的结构体
package mainimport ( "fmt")type Imp struct { Imp int Dev string }func main() { imp := Imp{ } //print struct with key fmt.Printf("%+v", imp ) // struct is emputy fmt.Println(imp ==( Imp{}) ) fmt.Println("Hello, playground") }