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Tag: Design Patterns

BiDirectional Pimpl Pattern

BiDirectional Pimpl Pattern

While the Pimpl pattern is commonly used to hide implementation and private methods and variables from public interfaces, the common implementations often require a large amount of boilerplate code. This can make it hard to introduce this pattern into a large existing class. If we use bi-directional friend references with the private implementation, we can easily add a small private implementation into an existing class, allowing for better design patterns and performance optimizations to be gently introduced into existing code….

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