package main import "fmt" type Foo struct { Bar int } func (f *Foo) Increment() { f.Bar++ } func main() { var f Foo // Calling `f.Increment` is automatically changed to `(&f).Increment` by the compiler. f = Foo{} fmt.Printf("f.Bar is %d\n", f.Bar) f.Increment() fmt.Printf("f.Bar is %d\n", f.Bar) // As you can see, calling `(&f).Increment` directly does the same thing. f = Foo{} fmt.Printf("f.Bar is %d\n", f.Bar) (&f).Increment() fmt.Printf("f.Bar is %d\n", f.Bar) }