rand-range.go

package main

import (
	"fmt"
	"math/rand"
	"time"
)

const (
	MIN  = 1
	MAX  = 25
	SIZE = 15
)

func main() {
	//Rand numbers
	numbers := make(map[int]bool)

	//Rand Seed
	rand.Seed(time.Now().Unix())
	for len(numbers) < SIZE {
		value := rand.Intn(MAX) + 1
		numbers[value] = true
	}

	//Result
	fmt.Println("RESULT = ", numbers)
}