Writing large applications in C++ is a complex and tricky business. However, designing reusable C++ interfaces that are robust, stable, easy to use, and durable is even more difficult. The best way to succeed in this endeavor is to adhere to the tenets of good Application Programming Interface (API) design.

An API presents a logical interface to a software component and hides the internal details required to implement that component. It offers a high-level abstraction for a module and promotes code reuse by allowing multiple applications to share the same functionality.

Modern software development has become highly dependent on APIs, from low-level application frameworks to data format APIs and graphical user interface (GUI) frameworks. ...

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