Struct fields can be accessed through a struct pointer.

To access the field X of a struct when we have the struct pointer p we could write (*p).X. However, that notation is cumbersome, so the language permits us instead to write just p.X, without the explicit dereference.

That is called automatic dereference pointer-methods-in-go

References

• https://go.dev/tour/moretypes/4
• pointer-methods-in-go