> * structural pattern matching https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/p2688r5.html#comparison-tables https://www.open-std.org/jtc1/sc22/wg21

> * structural pattern matching https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/p2688r5.html#comparison-tables https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/p26...