Go 结构作为函数参数

package main



import "fmt"



type Books struct {

   title string

   author string

   subject string

   book_id int

}

func main() {

   var Book1 Books    /* Declare Book1 of type Book */

   var Book2 Books    /* Declare Book2 of type Book */



   /* book 1 specification */

   Book1.title = "Go Programming"

   Book1.author = "Mahesh Kumar"

   Book1.subject = "Go Programming Tutorial"

   Book1.book_id = 6495407



   /* book 2 specification */

   Book2.title = "Telecom Billing"

   Book2.author = "Zara Ali"

   Book2.subject = "Telecom Billing Tutorial"

   Book2.book_id = 6495700



   /* print Book1 info */

   printBook(Book1)



   /* print Book2 info */

   printBook(Book2)

}

func printBook( book Books ) {

   fmt.Printf( "Book title : %s\n", book.title);

   fmt.Printf( "Book author : %s\n", book.author);

   fmt.Printf( "Book subject : %s\n", book.subject);

   fmt.Printf( "Book book_id : %d\n", book.book_id);

}