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CppCon 2025 explores JSON with C++26 reflection

A talk presents JSON serialization and deserialization using reflection features planned for C++26 and the standard library, without macros or manual mapping.

A CppCon 2025 talk covers JSON serialization and deserialization in C++, using reflection features planned for C++26 and the standard library. The presented approach avoids macros and manual mapping.

To study the proposal, identify which parts of JSON conversion reflection could automate. Keep that hypothesis separate from what the talk demonstrates: the supplied material gives no performance results or implementation details.

When assessing the technique, check compatibility with the C++ toolchain and versions used in your project. Compare integration effort and code clarity with your current approach, then validate results using your application’s data and tests.

If you use AI to summarize the talk or examine code snippets, avoid sending personal data, credentials, or confidential code without authorization. Prefer synthetic examples and check suggestions against your project’s documentation and tests.

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