Sams Teach Yourself C++ in One Hour a Day, 9th Edition

Lesson 31

C++20 Modules and C++23

You are now familiar with C++ programming. You have learned recent additions that modernize the language: lambda expressions, automatic type deductions, ranges, views, and adaptors to mention a few. We’ll now visit modules that have been introduced by the standard in C++20 but are yet to be consistently supported by popular compilers as of this writing. Before we close this lesson, we also briefly visit the amendments that C++23 is expected to bring.

In this lesson, you learn

• ■   C++20 modules that are poised to replace header files

• ■   New features expected in C++23

• ■   Improving your C++ skills beyond this book

Modules

Modules are an advancement of one of the most primitive yet well-established C++ features: ...