package main
import "fmt"
type Foo struct {
Bar int
}
func (f Foo) Increment() {
f.Bar++
}
func main() {
var p *Foo
// Calling `p.Increment` is automatically changed to `(*p).Increment` by the compiler.
// (Note that `*p` is going to remain at 0 because a copy of `*p`, and not the original `*p` are being edited)
p = &Foo{}
fmt.Printf("(*p).Bar is %d\n", (*p).Bar)
p.Increment()
fmt.Printf("(*p).Bar is %d\n", (*p).Bar)
// As you can see, calling `(*p).Increment` directly does the same thing.
p = &Foo{}
fmt.Printf("(*p).Bar is %d\n", (*p).Bar)
(*p).Increment()
fmt.Printf("(*p).Bar is %d\n", (*p).Bar)
}
