Shulou(Shulou.com)05/31 Report--

This article introduces the knowledge of "how to realize the appearance pattern of C++ design pattern". In the operation of actual cases, many people will encounter such a dilemma. Next, let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The appearance pattern should be one of the most subconscious patterns used by programmers, for example, we habitually do an encapsulation interface to complex systems. The essence of appearance pattern is to abstract the interfaces of a bunch of complex objects and applications, encapsulate and isolate them. For callers, they only need the implementation of relational interfaces, without knowing what objects and calls are inside.

Action

Provides a consistent interface for a set of interfaces of the module, and defines a high-level interface that makes the module easier to use.

Class view

Realize

/ / complex or multi-object class objectOne {public void operator () {cout

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