Rev | Line | |
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[8046] | 1 | function printf(...) io.write(string.format(unpack(arg))) end |
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| 2 | |
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| 3 | function Account:show() |
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| 4 | printf("Account balance = $%0.02f\n", self:balance()) |
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| 5 | end |
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| 6 | |
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| 7 | parent = {} |
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| 8 | |
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| 9 | function parent:rob(amount) |
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| 10 | amount = amount or self:balance() |
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| 11 | self:withdraw(amount) |
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| 12 | return amount |
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| 13 | end |
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| 14 | |
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| 15 | getmetatable(Account).__index = parent |
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| 16 | |
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[8271] | 17 | |
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| 18 | function test() |
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| 19 | io.write("Hi i'm test\n") |
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| 20 | end |
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| 21 | |
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| 22 | |
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[8046] | 23 | function main(arg) |
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[8711] | 24 | io.write("hello i am main!\n") |
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[8271] | 25 | -- use parameter |
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[8046] | 26 | io.write("main received ", arg) |
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| 27 | io.write(" as parameter\n") |
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[8271] | 28 | |
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[8711] | 29 | |
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[8271] | 30 | --call member of an inserted object |
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[8046] | 31 | Obj:printName() |
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[8271] | 32 | |
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| 33 | --create object of a registered type |
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[8711] | 34 | o = Object() |
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| 35 | o:printName() |
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[8271] | 36 | |
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| 37 | --take returnvalue from c |
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| 38 | callCount = Obj:getCallCount() |
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| 39 | io.write("callCount is now ",callCount) |
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| 40 | io.write("\n") |
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| 41 | |
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| 42 | --pass parameters to a c++ method |
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| 43 | Obj:takeParam(3) |
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| 44 | |
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| 45 | --print object information |
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[8046] | 46 | print('a =', a) |
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| 47 | print('b =', b) |
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| 48 | print('metatable =', getmetatable(a)) |
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| 49 | print('Account =', Account) |
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| 50 | table.foreach(Account, print) |
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| 51 | |
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| 52 | a:show() a:deposit(50.30) a:show() a:withdraw(25.10) a:show() |
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| 53 | Obj:printName() |
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[8058] | 54 | |
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[8271] | 55 | return 2,false,2.72 |
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| 56 | |
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[8046] | 57 | --debug.debug() |
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| 58 | end |
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