classlib/account.lua at master · LuaDist/classlib · GitHub

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require'classlib'

class.Account()
functionAccount:__init(initial)
self.balance=initialor0
end
functionAccount:deposit(amount)
self.balance=self.balance+amount
end
functionAccount:withdraw(amount)
self.balance=self.balance-amount
end
functionAccount:getbalance()
returnself.balance
end

class.NamedAccount(shared(Account)) -- shared Account base
functionNamedAccount:__init(name, initial)
self.Account:__init(initial)
self.name=nameor'anonymous'
end

class.LimitedAccount(shared(Account)) -- shared Account base
functionLimitedAccount:__init(limit, initial)
self.Account:__init(initial)
self.limit=limitor0
end
functionLimitedAccount:withdraw(amount)
ifself:getbalance() -amount<self.limitthen
error'Limit exceeded'
else
self.Account:withdraw(amount)
end
end

class.NamedLimitedAccount(NamedAccount, LimitedAccount)
functionNamedLimitedAccount:__init(name, limit, initial)
self.Account:__init(initial)
self.NamedAccount:__init(name)
self.LimitedAccount:__init(limit)
end
-- widthdraw() disambiguated to the limit-checking version
functionNamedLimitedAccount:withdraw(amount)
returnself.LimitedAccount:withdraw(amount)
end

myNLAccount=NamedLimitedAccount('John', 0.00, 10.00)
myNLAccount:deposit(2.00)
print('balance now', myNLAccount:getbalance()) --> 12.00
myNLAccount:withdraw(1.00)
print('balance now', myNLAccount:getbalance()) --> 11.00
--myNLAccount:withdraw(15.00) --> error, limit exceeded
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require'classlib'

class.Account()
functionAccount:__init(initial)
self.balance=initialor0
end
functionAccount:deposit(amount)
self.balance=self.balance+amount
end
functionAccount:withdraw(amount)
self.balance=self.balance-amount
end
functionAccount:getbalance()
returnself.balance
end

class.NamedAccount(shared(Account)) -- shared Account base
functionNamedAccount:__init(name, initial)
self.Account:__init(initial)
self.name=nameor'anonymous'
end

class.LimitedAccount(shared(Account)) -- shared Account base
functionLimitedAccount:__init(limit, initial)
self.Account:__init(initial)
self.limit=limitor0
end
functionLimitedAccount:withdraw(amount)
ifself:getbalance() -amount<self.limitthen
error'Limit exceeded'
else
self.Account:withdraw(amount)
end
end

class.NamedLimitedAccount(NamedAccount, LimitedAccount)
functionNamedLimitedAccount:__init(name, limit, initial)
self.Account:__init(initial)
self.NamedAccount:__init(name)
self.LimitedAccount:__init(limit)
end
-- widthdraw() disambiguated to the limit-checking version
functionNamedLimitedAccount:withdraw(amount)
returnself.LimitedAccount:withdraw(amount)
end

myNLAccount=NamedLimitedAccount('John', 0.00, 10.00)
myNLAccount:deposit(2.00)
print('balance now', myNLAccount:getbalance()) --> 12.00
myNLAccount:withdraw(1.00)
print('balance now', myNLAccount:getbalance()) --> 11.00
--myNLAccount:withdraw(15.00) --> error, limit exceeded
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require'classlib'

class.Account()
functionAccount:__init(initial)
self.balance=initialor0
end
functionAccount:deposit(amount)
self.balance=self.balance+amount
end
functionAccount:withdraw(amount)
self.balance=self.balance-amount
end
functionAccount:getbalance()
returnself.balance
end

class.NamedAccount(shared(Account)) -- shared Account base
functionNamedAccount:__init(name, initial)
self.Account:__init(initial)
self.name=nameor'anonymous'
end

class.LimitedAccount(shared(Account)) -- shared Account base
functionLimitedAccount:__init(limit, initial)
self.Account:__init(initial)
self.limit=limitor0
end
functionLimitedAccount:withdraw(amount)
ifself:getbalance() -amount<self.limitthen
error'Limit exceeded'
else
self.Account:withdraw(amount)
end
end

class.NamedLimitedAccount(NamedAccount, LimitedAccount)
functionNamedLimitedAccount:__init(name, limit, initial)
self.Account:__init(initial)
self.NamedAccount:__init(name)
self.LimitedAccount:__init(limit)
end
-- widthdraw() disambiguated to the limit-checking version
functionNamedLimitedAccount:withdraw(amount)
returnself.LimitedAccount:withdraw(amount)
end

myNLAccount=NamedLimitedAccount('John', 0.00, 10.00)
myNLAccount:deposit(2.00)
print('balance now', myNLAccount:getbalance()) --> 12.00
myNLAccount:withdraw(1.00)
print('balance now', myNLAccount:getbalance()) --> 11.00
--myNLAccount:withdraw(15.00) --> error, limit exceeded
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require'classlib'

class.Account()
functionAccount:__init(initial)
self.balance=initialor0
end
functionAccount:deposit(amount)
self.balance=self.balance+amount
end
functionAccount:withdraw(amount)
self.balance=self.balance-amount
end
functionAccount:getbalance()
returnself.balance
end

class.NamedAccount(shared(Account)) -- shared Account base
functionNamedAccount:__init(name, initial)
self.Account:__init(initial)
self.name=nameor'anonymous'
end

class.LimitedAccount(shared(Account)) -- shared Account base
functionLimitedAccount:__init(limit, initial)
self.Account:__init(initial)
self.limit=limitor0
end
functionLimitedAccount:withdraw(amount)
ifself:getbalance() -amount<self.limitthen
error'Limit exceeded'
else
self.Account:withdraw(amount)
end
end

class.NamedLimitedAccount(NamedAccount, LimitedAccount)
functionNamedLimitedAccount:__init(name, limit, initial)
self.Account:__init(initial)
self.NamedAccount:__init(name)
self.LimitedAccount:__init(limit)
end
-- widthdraw() disambiguated to the limit-checking version
functionNamedLimitedAccount:withdraw(amount)
returnself.LimitedAccount:withdraw(amount)
end

myNLAccount=NamedLimitedAccount('John', 0.00, 10.00)
myNLAccount:deposit(2.00)
print('balance now', myNLAccount:getbalance()) --> 12.00
myNLAccount:withdraw(1.00)
print('balance now', myNLAccount:getbalance()) --> 11.00
--myNLAccount:withdraw(15.00) --> error, limit exceeded
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require'classlib'

class.Account()
functionAccount:__init(initial)
self.balance=initialor0
end
functionAccount:deposit(amount)
self.balance=self.balance+amount
end
functionAccount:withdraw(amount)
self.balance=self.balance-amount
end
functionAccount:getbalance()
returnself.balance
end

class.NamedAccount(shared(Account)) -- shared Account base
functionNamedAccount:__init(name, initial)
self.Account:__init(initial)
self.name=nameor'anonymous'
end

class.LimitedAccount(shared(Account)) -- shared Account base
functionLimitedAccount:__init(limit, initial)
self.Account:__init(initial)
self.limit=limitor0
end
functionLimitedAccount:withdraw(amount)
ifself:getbalance() -amount<self.limitthen
error'Limit exceeded'
else
self.Account:withdraw(amount)
end
end

class.NamedLimitedAccount(NamedAccount, LimitedAccount)
functionNamedLimitedAccount:__init(name, limit, initial)
self.Account:__init(initial)
self.NamedAccount:__init(name)
self.LimitedAccount:__init(limit)
end
-- widthdraw() disambiguated to the limit-checking version
functionNamedLimitedAccount:withdraw(amount)
returnself.LimitedAccount:withdraw(amount)
end

myNLAccount=NamedLimitedAccount('John', 0.00, 10.00)
myNLAccount:deposit(2.00)
print('balance now', myNLAccount:getbalance()) --> 12.00
myNLAccount:withdraw(1.00)
print('balance now', myNLAccount:getbalance()) --> 11.00
--myNLAccount:withdraw(15.00) --> error, limit exceeded
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require'classlib'

class.Account()
functionAccount:__init(initial)
self.balance=initialor0
end
functionAccount:deposit(amount)
self.balance=self.balance+amount
end
functionAccount:withdraw(amount)
self.balance=self.balance-amount
end
functionAccount:getbalance()
returnself.balance
end

class.NamedAccount(shared(Account)) -- shared Account base
functionNamedAccount:__init(name, initial)
self.Account:__init(initial)
self.name=nameor'anonymous'
end

class.LimitedAccount(shared(Account)) -- shared Account base
functionLimitedAccount:__init(limit, initial)
self.Account:__init(initial)
self.limit=limitor0
end
functionLimitedAccount:withdraw(amount)
ifself:getbalance() -amount<self.limitthen
error'Limit exceeded'
else
self.Account:withdraw(amount)
end
end

class.NamedLimitedAccount(NamedAccount, LimitedAccount)
functionNamedLimitedAccount:__init(name, limit, initial)
self.Account:__init(initial)
self.NamedAccount:__init(name)
self.LimitedAccount:__init(limit)
end
-- widthdraw() disambiguated to the limit-checking version
functionNamedLimitedAccount:withdraw(amount)
returnself.LimitedAccount:withdraw(amount)
end

myNLAccount=NamedLimitedAccount('John', 0.00, 10.00)
myNLAccount:deposit(2.00)
print('balance now', myNLAccount:getbalance()) --> 12.00
myNLAccount:withdraw(1.00)
print('balance now', myNLAccount:getbalance()) --> 11.00
--myNLAccount:withdraw(15.00) --> error, limit exceeded
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require'classlib'

class.Account()
functionAccount:__init(initial)
self.balance=initialor0
end
functionAccount:deposit(amount)
self.balance=self.balance+amount
end
functionAccount:withdraw(amount)
self.balance=self.balance-amount
end
functionAccount:getbalance()
returnself.balance
end

class.NamedAccount(shared(Account)) -- shared Account base
functionNamedAccount:__init(name, initial)
self.Account:__init(initial)
self.name=nameor'anonymous'
end

class.LimitedAccount(shared(Account)) -- shared Account base
functionLimitedAccount:__init(limit, initial)
self.Account:__init(initial)
self.limit=limitor0
end
functionLimitedAccount:withdraw(amount)
ifself:getbalance() -amount<self.limitthen
error'Limit exceeded'
else
self.Account:withdraw(amount)
end
end

class.NamedLimitedAccount(NamedAccount, LimitedAccount)
functionNamedLimitedAccount:__init(name, limit, initial)
self.Account:__init(initial)
self.NamedAccount:__init(name)
self.LimitedAccount:__init(limit)
end
-- widthdraw() disambiguated to the limit-checking version
functionNamedLimitedAccount:withdraw(amount)
returnself.LimitedAccount:withdraw(amount)
end

myNLAccount=NamedLimitedAccount('John', 0.00, 10.00)
myNLAccount:deposit(2.00)
print('balance now', myNLAccount:getbalance()) --> 12.00
myNLAccount:withdraw(1.00)
print('balance now', myNLAccount:getbalance()) --> 11.00
--myNLAccount:withdraw(15.00) --> error, limit exceeded
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require'classlib'

class.Account()
functionAccount:__init(initial)
self.balance=initialor0
end
functionAccount:deposit(amount)
self.balance=self.balance+amount
end
functionAccount:withdraw(amount)
self.balance=self.balance-amount
end
functionAccount:getbalance()
returnself.balance
end

class.NamedAccount(shared(Account)) -- shared Account base
functionNamedAccount:__init(name, initial)
self.Account:__init(initial)
self.name=nameor'anonymous'
end

class.LimitedAccount(shared(Account)) -- shared Account base
functionLimitedAccount:__init(limit, initial)
self.Account:__init(initial)
self.limit=limitor0
end
functionLimitedAccount:withdraw(amount)
ifself:getbalance() -amount<self.limitthen
error'Limit exceeded'
else
self.Account:withdraw(amount)
end
end

class.NamedLimitedAccount(NamedAccount, LimitedAccount)
functionNamedLimitedAccount:__init(name, limit, initial)
self.Account:__init(initial)
self.NamedAccount:__init(name)
self.LimitedAccount:__init(limit)
end
-- widthdraw() disambiguated to the limit-checking version
functionNamedLimitedAccount:withdraw(amount)
returnself.LimitedAccount:withdraw(amount)
end

myNLAccount=NamedLimitedAccount('John', 0.00, 10.00)
myNLAccount:deposit(2.00)
print('balance now', myNLAccount:getbalance()) --> 12.00
myNLAccount:withdraw(1.00)
print('balance now', myNLAccount:getbalance()) --> 11.00
--myNLAccount:withdraw(15.00) --> error, limit exceeded