Learning Go

gosub.go

// http://tour.golang.org/#13

package main

import (
	"fmt"
	"math"
)

var x string
var y, z = "reticulated", "bunghole"

type Prefix []string

func timesByPi(n, m int) (a, b float32) {
	a = float32(n) * math.Pi
	b = float32(m) * math.Pi
	return
}

func (p Prefix) Shift(word string) {
	copy(p, p[1:])
	p[len(p)-1] = word
}

func main() {
	a, b := timesByPi(1, 2)
	x = y + z

	p := make(Prefix, 2)
	p.Shift("Hey")
	p.Shift("There")

	fmt.Printf("So I put %g in your %g\n", a, b)
	fmt.Printf("Yeah and %s\n", x)
	fmt.Printf("Lookit: %s\n", p[0])
}