package main    import (    "fmt"    "image/color")type Point struct {    X,Y float64}type ColorRedPoint struct {    Point    Color color.RGBA}func main() {    var cp ColorRedPoint    cp.X  = 1    // 第一种写法    fmt.Println(cp.Point.X)    // 第二种写法    fmt.Println(cp.X)    red := color.RGBA{255,0,0,255}    blue := color.RGBA{0,0,255,255}    var p = ColorRedPoint{Point{1,1},red}    var p1 = ColorRedPoint{Point{2,2},blue}    fmt.Println(p)    fmt.Println(p1)}