C++23: Enhancing Compatibility with C

2023/08/24

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The article discusses two changes in C++23 that aim to enhance compatibility with C. The first change is the introduction of the <stdatomic.h> header, which mirrors the identically named C header and provides comparable functionality. This header allows developers to conveniently use atomics in shared headers between C and C++. The second change is the acceptance of labels at the end of compound statements in C++. Previously, labels could only be attached to all statements except at the end of a compound statement. This change aligns C++ with C, which already allowed labels at the end of compound statements. These compatibility changes demonstrate that both C and C++ are making efforts to improve interoperability. Developers who work with both languages will benefit from these changes, as they can write portable code and have shared headers between the two languages. Overall, these changes in C++23 enhance compatibility and facilitate development for developers working with C and C++.