simple-bank-system.rs

#![allow(dead_code, unused, unused_variables, non_snake_case)]

fnmain(){}

structSolution;

/**
 * `&self` means the method takes an immutable reference.
 * If you need a mutable reference, change it to `&mut self` instead.
 */
/**
 * Your Bank object will be instantiated and called as such:
 * let obj = Bank::new(balance);
 * let ret_1: bool = obj.transfer(account1, account2, money);
 * let ret_2: bool = obj.deposit(account, money);
 * let ret_3: bool = obj.withdraw(account, money);
 */
structBank{
balance:Vec<i64>,
}

implBank{
fnnew(balance:Vec<i64>) -> Self{
Self{ balance }
}

fntransfer(&mutself,account1:i32,account2:i32,money:i64) -> bool{
if account1 asusize > self.balance.len() || account2 asusize > self.balance.len(){
returnfalse;
}
ifself.balance[account1 asusize - 1] >= money {
self.balance[account2 asusize - 1] += money;
self.balance[account1 asusize - 1] -= money;
true
}else{
false
}
}

fndeposit(&mutself,account:i32,money:i64) -> bool{
if account asusize > self.balance.len(){
returnfalse;
}

self.balance[account asusize - 1] += money;
returntrue;
}

fnwithdraw(&mutself,account:i32,money:i64) -> bool{
if account asusize > self.balance.len(){
returnfalse;
}

ifself.balance[account asusize - 1] >= money {
self.balance[account asusize - 1] -= money;
true
}else{
false
}
}
}