go_workshop/chapter_04/exercise_4.19/main.go

package main

import "fmt"

type name string

type location struct {
  x int
  y int
}

type size struct {
  width  int
  height int
}

type dot struct {
  name
  location
  size
}

func getDots() []dot {

  var dot1 dot

  dot2 := dot{}
  dot2.name = "A"
  dot2.x = 5
  dot2.y = 6
  dot2.width = 10
  dot2.height = 20

  dot3 := dot{
    name: "B",
    location: location{
      x: 13,
      y: 27,
    },
    size: size{
      width:  5,
      height: 7,
    },
  }

  dot4 := dot{}
  dot4.name = "C"
  dot4.x = 101
  dot4.location.y = 209
  dot4.width = 87
  dot4.size.height = 43

  return []dot{dot1, dot2, dot3, dot4}

}

func main() {

  dots := getDots()

  for i := 0; i < len(dots); i++ {
    fmt.Printf("dot%v: %#v\n", i+1, dots[i])
  }

}