A Tour of Go Exercise: Slices

Exercise: Slices

package main

import "code.google.com/p/go-tour/pic"

func Pic(dx, dy int) [][]uint8 {
    ret := make([][]uint8, dy);
    for y := 0; y < dy; y++ {
        ret[y] = make([]uint8, dx);
        for x := 0; x < dx; x++ {
            //ret[y][x] = uint8(x^y);
            //ret[y][x] = uint8(x+y)/2;
            //ret[y][x] = uint8(x*y);
            //ret[y][x] = uint8((x^y)+(x+y)/2)
            ret[y][x] = uint8((x^y)*(x+y)/2)
        }
    }
    return ret
}

func main() {
    pic.Show(Pic)
}

go言語のsliceを理解しよう

Go Slices: usage and internals

goのスライスの内部実装

Goプログラミング言語仕様

Go by Example: Slices