| 15 | } |
| 16 | |
| 17 | fn transfer(&mut self, account1: i32, account2: i32, money: i64) -> bool { |
| 18 | if self.balance.get(account1 as usize - 1) == None { |
| 19 | return false; |
| 20 | } |
| 21 | if self.balance[account1 as usize - 1] < money { |
| 22 | return false; |
| 23 | } |
| 24 | if self.balance.get(account2 as usize - 1) == None { |
| 25 | return false; |
| 26 | } |
| 27 | self.balance[account1 as usize - 1] -= money; |
| 28 | self.balance[account2 as usize - 1] += money; |
| 29 | true |
| 30 | } |
| 31 | |
| 32 | fn deposit(&mut self, account: i32, money: i64) -> bool { |
| 33 | if self.balance.get(account as usize - 1) == None { |