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https://github.com/iandinwoodie/cpp-design-patterns-for-humans.git
synced 2025-12-17 04:24:40 +03:00
Rolling back use of typedef with smart pointers.
This is to reduce the obfuscation of the code.
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@@ -5,7 +5,6 @@
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class Door
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{
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public:
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typedef std::shared_ptr<Door> ptr_t;
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virtual void open(void) = 0;
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virtual void close(void) = 0;
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};
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@@ -27,7 +26,7 @@ class LabDoor : public Door
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class SecuredDoor
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{
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public:
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SecuredDoor(Door::ptr_t door)
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SecuredDoor(std::shared_ptr<Door> door)
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: door_(door)
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{
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}
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@@ -52,12 +51,12 @@ class SecuredDoor
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return password == "Bond007";
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}
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Door::ptr_t door_;
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std::shared_ptr<Door> door_;
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};
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int main()
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{
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Door::ptr_t labDoor = std::make_shared<LabDoor>();
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std::shared_ptr<Door> labDoor = std::make_shared<LabDoor>();
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SecuredDoor securedDoor(labDoor);
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securedDoor.open("invalid"); // Output: No way, Jose!
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