package main
type Book struct {
Pages int
}
func f() int {
var books = []Book{{555}}
for _, book := range books {
book.Pages = 999
}
return books[0].Pages
}
func g() int {
var books = []*Book{{555}}
for _, book := range books {
book.Pages = 999
}
return books[0].Pages
}
func main() {
println(f(), g())
}
Choices:
Answer: 555 999
Run it on Go play.
Key points: