# bank/ledger.ludic - inherits `module bank` from the barrel that imports it
export state BankState {
  balance: int = 0
}
export event Deposited { amount: int }
function add(bank_st: mut BankState, n: int) -> void {
  bank_st.balance += n
}
export function deposit(bank_st: mut BankState, n: int) -> void {
  add(bank_st, n)
  emit Deposited(amount: n)
}
export function total(bank_st: BankState) -> int {
  return bank_st.balance
}