C++ Library containing a lot of needful things: Stack Trace, Command Line Parser, Resource Handling, Configuration Files, Unix Command Execution, Directories, Regular Expressions, Tokenizer, Function Trace, Standard Extensions.
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26 lines
633 B
26 lines
633 B
#include <mrw/smartpointer.hxx> |
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class A { |
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public: int a; |
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public: virtual ~A() {} |
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protected: virtual void fn() {} // dynamic_cast requires a virtual function |
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}; |
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class B: virtual public A { |
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public: int b; |
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}; |
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int main(int, char**) { |
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mrw::SmartPointer<int> i1 = new int; |
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*i1 = 13; |
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mrw::SmartPointer<int> i2 = i1; |
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mrw::SmartPointer<int> i3; |
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if (!i3) i3 = i2; |
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*i2 = 666; // *i1 is now 666 too |
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mrw::SmartPointer<A> b1 = new B; |
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mrw::SmartPointer<B> b2 = b1; // b1 and b2 point to the same instance |
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b1->a = 0; // b1->b does not compile |
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b2->a = 1; |
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b2->b = 2; |
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return 0; |
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} // memory is automatically freed
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