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Modern C++ in practice

Modern C++ in practice. Goals. Practical experience of C++ best practices, idioms and details Design patterns in C++ Generic, functional and template programming Using boost and STL Utilize APIs, books and mailing lists Coherent coding style and get to know each other.

melvin-dodson
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Modern C++ in practice

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  1. Modern C++ in practice

  2. Goals Practical experience of • C++ best practices, idioms and details • Design patterns in C++ • Generic, functional and template programming • Using boost and STL • Utilize APIs, books and mailing lists Coherent coding style and get to know each other

  3. Why bother with details? Cons • More than 20 years old • Backwards compatible with C • Lots of mistakes in both language and library • Very complex Pros • Powerful features • Well spread • Vivid community • Rapidly developing

  4. Polymorphism in C++ • Virtual keyword • Function pointers • Function overloading • Implicit type conversion • Concepts • Policy classes • Argument dependent lookup (ADL) • Partial template specialization

  5. C++ programming • Object oriented programming • Generic programming • Functional programming • Template metaprogramming Blend these paradigms to acheive code that is • Simple and easily read • Decoupled and testable • Robust to change • Reusable

  6. Roadmap Very unclear Start today and see how it evolves Think about: • What you want to learn? • Should we add or remove goals?

  7. Today • boost::variant • boost::signals • Discuss slots n’ signals relation to bind and function • My observable class • Pair-wise design of a toy problem • Discuss design differences

  8. Toy problem: Cat n’ Rat Design logical interfaces and concepts for a simple game 2D discrete coordinate world Contains cats, rats, cheese and obstacles Move events appear for cats and rats Collision detection, not handling

  9. Toy problem: Focus Focus the design on • Low coupling, high cohesion • Robustness to future changes • Event driven information flow When working try to • Use boost and STL • Push error checking towards compile and link time • Write generic code when it doesn’t complicate design

  10. Future suggestions Implement logical model Design and maybe implement: • Text view • Collision handling • Serialization • Simple client/server • Extend game functionality Implement message distributor

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