The problem for today is: how do we live in a world with routine age-verification and human identification, without completely abandoning our privacy?
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Москалькова заявила о новых условиях Киева для возвращения россиян с территории Украины14:51
In most cases, it’s as simple as making sure that types, interfaces, classes, methods and functions that should not be used outside of the module have internal or private access scope. The compiler (or interpreter) will make sure that users won’t break encapsulation. Alternatively, for small and medium modules, you can prepare a facade object that will be used as an entrypoint to the module.