the-way-to-go_ZH_CN/eBook/examples/chapter_7/multidim_array.go

// multidim_array.go
package main

import "fmt"

const (
	WIDTH  = 1920
	HEIGHT = 1080
	// WIDTH =	5
	// HEIGHT = 4
)

type pixel int

var screen [WIDTH][HEIGHT]pixel

func main() {
	for y := 0; y < HEIGHT; y++ {
		for x := 0; x < WIDTH; x++ {
			screen[x][y] = 0
		}
	}
	fmt.Println(screen)

	for row := range screen {
		for column := range screen[0] {
			screen[row][column] = 1
		}
	}

	fmt.Println(screen)
}

/* Output for WIDTH =	5 and 	HEIGHT = 4:
[[0 0 0 0] [0 0 0 0] [0 0 0 0] [0 0 0 0] [0 0 0 0]]
[[1 1 1 1] [1 1 1 1] [1 1 1 1] [1 1 1 1] [1 1 1 1]]
*/