short test of randomgenerated, structured data,trying to create scope safe random numbers

go-rand-test.go

package main
import (
	"fmt"
	"math/rand"
)

type OfferGenerator struct {
	offers []Offer
}
type RoomGenerator struct {
	rooms []Room
}
type Offer struct {
	name  string
	rooms []Room
}
type Room struct {
	prices []Price
}
type Price struct {
	price int
}

var offerNameRand = rand.New(rand.NewSource(0))
var priceRand = rand.New(rand.NewSource(0))
var olRand = rand.New(rand.NewSource(0))
var rlRand = rand.New(rand.NewSource(int64(10)))

func generateOffers() []Offer {
	rand.Seed(0)
	offers := []Offer{}

	offerCount := olRand.Intn(5)
	for oIdx := 0; oIdx < offerCount; oIdx++ {

		offer := Offer{}
		offer.name = []string{"a", "b", "c", "d", "e", "f"}[offerNameRand.Intn(6)]

		roomCount := rlRand.Intn(5)
		for rIdx := 0; rIdx < roomCount; rIdx++ {
			room := Room{}

			var plRand = rand.New(rand.NewSource(int64(oIdx)))
			priceRand = rand.New(rand.NewSource(int64(rIdx)))
			priceCount := plRand.Intn(5)
			for pIdx := 0; pIdx < priceCount; pIdx++ {
				price := Price{}
				price.price = priceRand.Intn(9)
				room.prices = append(room.prices, price)
			}
			offer.rooms = append(offer.rooms, room)
		}
		offers = append(offers, offer)
	}
	return offers
}

func main() {
	offers := generateOffers()
	for oIdx := 0; oIdx < len(offers); oIdx++ {
		offer := offers[oIdx]
		fmt.Printf("%v - ", offer.name)
		fmt.Print("[")
		for rIdx := 0; rIdx < len(offer.rooms); rIdx++ {
			room := offer.rooms[rIdx]
			fmt.Printf(" ")
			for pIdx := 0; pIdx < len(room.prices); pIdx++ {
				price := room.prices[pIdx]
				fmt.Printf("%v", price.price)
			}

		}
		fmt.Print("]")
		fmt.Print("\n")
	}
}