indirection-values

Language: Gold, Platform: Echoes, Category: Tour of Go
https://github.com/remobjects/ElementsSamples/tree/master/Gold/Echoes/Tour of Go/indirection-values

• indirection-values.Echoes
  • References
    • #
  • Source Files
    • indirection-values.go
  • Other Files

indirection-values.go

// Ignored build directive: +build OMIT

package main

import (
	"fmt"
	"math"
)

type Vertex struct {
	X, Y float64
}

func (v Vertex) Abs() float64 {
	return math.Sqrt(v.X*v.X + v.Y*v.Y)
}

func AbsFunc(v Vertex) float64 {
	return math.Sqrt(v.X*v.X + v.Y*v.Y)
}

func main() {
	v := Vertex{3, 4}
	fmt.Println(v.Abs())
	fmt.Println(AbsFunc(v))

	p := &Vertex{4, 3}
	fmt.Println(p.Abs())
	fmt.Println(AbsFunc(*p))
}