The post was written in Chinese and translated by LLM. Feel free to contact me if any phrasing seems unnatural. 25-08-22 update for Modules Wrapper，[One big thirdparty module], [suggested filename suffix], [mix include and import] Build System How much compile time can C++20 Modules save? Are C++20 Modules and PCH equivalent? What’s the difference? Can C++20 Modules reduce code size? Why? Can we use C++20 Modules for programming now? But what’s the cost? When to use C++20 Modules Modules Wrapper...