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Update item18.md
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@ -31,14 +31,14 @@
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```cpp
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```cpp
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class Investment { ... };
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class Investment { ... };
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class Sock: public Investment {...};
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class Stock: public Investment {...};
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class Bond: public Investment {...};
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class Bond: public Investment {...};
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class RealEstate: public Investment {...};
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class RealEstate: public Investment {...};
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```
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```
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```mermaid
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```mermaid
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classDiagram
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classDiagram
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Investment <|-- Sock
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Investment <|-- Stock
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Investment <|-- Bond
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Investment <|-- Bond
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Investment <|-- RealEstate
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Investment <|-- RealEstate
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```
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```
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@ -121,7 +121,7 @@ makeInvestment(Ts&& params)
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```cpp
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```cpp
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template<typename... Ts>
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template<typename... Ts>
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makeInvestment(Ts&& params)
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auto makeInvestment(Ts&& params)
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{
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{
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auto delInvmt = [](Investment* pInvestment)
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auto delInvmt = [](Investment* pInvestment)
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{
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{
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