GO: Bitcoin Distribution

package main

import (
	"fmt"
)

var (
	coins = 50
	users = []string{
		"Matthew", "Sarah", "Augustus", "Heidi", "Emilie",
		"Peter", "Giana", "Adriano", "Aaron", "Elizabeth",
	}
	distribution = make(map[string]int, len(users))
)

func main() {

	for _, userName := range users {
		var total int
		for i := 0; i < len(userName); i++ {
			switch string(userName[i]) {
			case "A", "a", "E", "e": // or case 65, 97, 69, 101:
				total++
			case "I", "ı", "İ", "i": // or 73, 177, 176, 105:
				total = total + 2
			case "O", "o", "Ö", "ö": // or 79, 111, 150, 182:
				total = total + 3
			case "U", "u", "Ü", "ü": // or 85, 117, 156, 188:
				total = total + 4
			}
		}
		if total > 10 {
			total = 10
		}
		coins = coins - total
		distribution[userName] = total
	}
	fmt.Println(distribution)
	fmt.Println("Coins left:", coins)
}