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I straight up never got a nice answer from StackOverflow on this. Say you have 5 classes, each requiring access to the data members/functions of the others. What's a nice way to solve this problem? I've thought of only two
niceshit methods:- Pass pointers/shared-pointers etc to each class, but not through the constructor but a setter function
- Pass lambdas or std::function everywhere. Yuck! Still doesn't put each object in a valid state in the constructor.
Well, what problems are you trying to solve by having the classes all access each other's data members? Why is that necessary?
The. real question is whether this problem needs to be modelled using classes in the first place. The alternative is to just have a set of composable functions that take a piece of data and return a modified version that can be passed to a different function.
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