rand.go

rand.go

package main

import "fmt"

type hooray struct {
	v []int
}

var ticker = 0

var uhoh = hooray{make([]int, 0)}

func appendStuff(stuff int) {
	uhoh.v = append(uhoh.v, stuff)
	ticker++
}

func dangerouslyWrite(done chan struct{}) {
	i := 0
	for {
		appendStuff(i)
		i++
		if i > 1000 {
			break
		}
	}
	done <- struct{}{}
}

func rand(max int) int {
	done := make(chan struct{})

	for index := 0; index < 10; index++ {
		go dangerouslyWrite(done)
	}
	for index := 0; index < 10; index++ {
		<-done
	}

	return max * ticker / 10000
}

func main() {
	x := rand(100)
	fmt.Println(x)
}