Lua class implementation

1 _account= {}2 3 --Create a debit card4 function _account: New (TB)5     Local _TB= TBor {}6     _TB._mbalance=_TB._mbalance or 07     setmetatable(_TB, self)8Self.__index = Self9     return _TBTen End One  A --Debit Card Withdrawals - function _account:d esposit (value) -     ifValue > Self._mbalance  Then the         Print("Insufficient funds!") -         return -     End -Self._mbalance= self._mbalance-value +     Print(String.Format("You Get%s money! ", value)) - End +  A --Save at function _account: Addbalance (val) -     Localnum = valor 0 -Self._mbalance= self._mbalance+Num - End -  - LocalMyaccount_2 =myaccount:new () inMyaccount_2:addbalance ( +) -Myaccount_2:desposit ( $) to  + ------------------------------------------------------- - _credit=_account: New ({_mlimit= +}) the  * --Credit card Withdrawals $ function _credit:d esposit (value)Panax Notoginseng     ifValue > Self._mbalance+ Self._mlimit  Then -         Print("Insufficient funds!") the         return +     End ASelf._mbalance= self._mbalance-value the     Print(String.Format("You get:%s money", value)) + End -  $ LocalCycredit =_credit: New () $Cycredit:desposit ( -)

Lua class implementation