struct-literals.go

package main

import "fmt"

type Vertex struct {
    X, Y int
}

var (
    v1 = Vertex{1, 2}
    v2 = Vertex{X: 1}
    v3 = Vertex{ }
    p = &Vertex{1, 2}
)

func main(){
    fmt.Println(v1, *p, v2, v3)
}