Method new

2043-simple-bank-system.rs:11–15

(balance: Vec<i64>)

impl Bank {
    fn new(balance: Vec<i64>) -> Self {
        Bank {
            balance: balance
        }
    }

    fn transfer(&mut self, account1: i32, account2: i32, money: i64) -> bool {
        if self.balance.get(account1 as usize - 1) == None {