Rustacean Station

What's New in Rust 1.76, 1.77, and 1.78

18 snips
Oct 26, 2024
Discover the highlights of the latest Rust releases, including new debugging tools like the stabilized `result inspect` and `option inspect` functions. Explore the complexities of recursion support in async functions and enhancements in hash handling and string operations. Dive into the playful challenge of computing the 78th Fibonacci number and learn about improvements in memory safety and error handling. Discussions also touch on ABI compatibility and refined diagnostics, showcasing Rust's evolving capabilities and community engagement.
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INSIGHT

ABIs and Rust

  • ABIs define how systems call functions, differing per platform.
  • Rust uses the C ABI for cross-compiler compatibility due to its unstable ABI.
INSIGHT

Rust ABI Documentation

  • Rust's ABI, used for function pointers in Rust-to-Rust calls, is documented.
  • Guarantees for ABI compatibility are now specified for types like pointers and integers.
INSIGHT

Type Names from References

  • type_name returns a string representation of a type, useful for debugging.
  • type_name_of_val extends this to print type names from instances where naming a generic type is impossible.
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