http://play.golang.org/p/q_QO0OkDYT

values_and_pointers.go

package main

import "fmt"

type Vertex struct {
    X, Y float64
}

func main() {
    var vertexp *Vertex;
    v := Vertex{3, 4}
    vp := &Vertex{3, 4}
    vertexp = &v

    fmt.Printf("%v \n", v.X)
    fmt.Printf("%v \n", vp.X)
	
    // *main.Vertex
    fmt.Printf("%T \n", vp)

    // main.Vertex
    fmt.Printf("%T \n", *vp)

    // **main.Vertex 
    fmt.Printf("%T \n", &vp)
    

    // main.Vertex
    fmt.Printf("%T \n", v)
    // fmt.Printf("%T \n", *v) // wont work (cannot get value from value)

    // *main.Vertex
    fmt.Printf("%T \n", &v)

    // *main.Vertex
    fmt.Printf("%T \n", vertexp)
}