nil struct fields

example.go

package main

import "fmt"

type Bread struct {
	name string
}

type Cheese struct {
	milk string
}

type Sandwich struct {
	bread  *Bread
	cheese *Cheese
}

func main() {
	rye := Bread{name: "Tye"}
	sando := Sandwich{
		bread: &rye,
	}
	fmt.Printf("%#v", sando)
}