tomtsang · February 10, 2018 08:07
diff --git a/struct-anonymous-method.go b/struct-anonymous-method.go
 package main

 import (
 	"fmt"
 	"math"
 )

 type Point struct {
 	x, y float64
 }

 func (p *Point) Abs() float64 {
 	return math.Sqrt(p.x*p.x + p.y*p.y)
 }

 type NamedPoint struct {
 	Point
 	name string
 }

 func main() {
 	pa := Point{3, 4}
 	n := &NamedPoint{pa, "Pythagoras"}
 	fmt.Println(pa.Abs()) // 打印5
 	fmt.Println(n.Abs())  // 打印5
 }
	package main

	import (
	"fmt"
	"math"
	)

	type Point struct {
	x, y float64
	}

	func (p *Point) Abs() float64 {
	return math.Sqrt(p.xp.x + p.yp.y)
	}

	type NamedPoint struct {
	Point
	name string
	}

	func main() {
	pa := Point{3, 4}
	n := &NamedPoint{pa, "Pythagoras"}
	fmt.Println(pa.Abs()) // 打印5
	fmt.Println(n.Abs()) // 打印5
	}