package main import "fmt" type Publisher struct { name string address string } type Book struct { title, name string publisher Publisher } func main() { var book = Book{"title","name",Publisher{"pub","beijing"}} /* 这是我的第一个简单的程序 */ fmt.Println("Hello, World!") fmt.Println(book) } func test (book Book) (b1 Book, b2 Book){ return book,book }