C++ 20 (2a) New Features - Rationale for std::format

The video discusses the need for new string formatting standards, comparing STD IO, iostreams, and std::format. It highlights the efficiency and type safety of each method, providing examples of formatting integers in hexadecimal. The video also addresses type safety issues with printf and how std::format handles errors with exceptions. Future improvements for compile-time checks are mentioned, and the next video will cover placeholders and syntax.

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