Rustacean Station

What's New in Rust 1.79 and 1.80


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Jon and Ben discuss the highlights of the 1.79 and 1.80 releases of Rust.

Contributing to Rustacean Station

Rustacean Station is a community project; get in touch with us if you’d like to suggest an idea for an episode or offer your services as a host or audio editor!

  • Twitter: @rustaceanfm
  • Discord: Rustacean Station
  • Github: @rustacean-station
  • Timestamps & referenced resources
    [@01:02] - Rust 1.79
    • [@01:02] - Inline const expressions
    • [@08:33] - Bounds in associated type position
    • [@14:11] - Extending automatic temporary lifetime extension
      • Mara’s blog post on temporary lifetimes
      • [@21:55] - Frame pointers enabled in standard library builds
        • Does omitting the frame pointer really affect performance?
        • [@25:37] - Stabilized APIs
          • [@25:37] - {integer}::unchecked_add
          • [@27:39] - <*const [T]>::len
          • [@29:21] - <[u8]>::utf8_chunks
          • [@31:21] - CStr::count_bytes
          • [@32:41] - num::NonZero
          • [@36:30] - io::Error::downcast
          • [@36:50] - path::absolute
          • [@38:18] - Changelog deep-dive
            • [@38:31] - Stabilize WASM target features that are in phase 4 and 5
            • [@39:15] - Document overrides of clone_from() in core/std
            • [@41:46] - Switch to using gitoxide by default for listing files in cargo
            • [@43:03] - Stabilize lint unnameable_types
            • [@44:46] - manual_clamp lint
            • [@45:46] - Rust 1.80
              • [@46:09] - LazyCell and LazyLock
              • [@53:42] - Checked cfg names and values
                • Detailed blog post on checked cfg
                • [@56:41] - Exclusive ranges in patterns
                • [@58:52] - Stabilized APIs
                  • [@59:05] - Vec::<[T; N]>::into_flattened
                    • <[[T; N]]>::as_flattened
                    • [@1:00:31] - <[u8]>::trim_ascii
                    • [@1:02:06] - NonNull::add and other ptr-like methods
                    • [@1:03:41] - impl IntoIterator for Box<[T]>
                    • [@1:05:46] - Option::take_if
                    • [@1:07:30] - Ipv4Addr::to_bits
                    • [@1:09:10] - Changelog deep-dive
                      • [@1:09:25] - x86_64-unknown-linux-none
                      • [@1:11:07] - Add size_of and align_of to the prelude
                      • [@1:12:34] - Never type fallback flowing into unsafe
                      • [@1:17:29] - New panics and aborts in the standard library
                        • Abort when OwnedFd is violated
                        • Panic if set_extension adds /
                        • [@1:20:28] - Restore enum variants in rustdoc for type aliases
                        • [@1:21:12] - Change assigning_clones lint to pedantic
                        • [@1:22:15] - Turn lints into hard errors
                        • [@1:22:49] - env::set_var regression
                        • [@1:24:34] - StdoutLock regression
                        • [@1:26:00] - Rust 1.80.1

                          Fixes miscompilation when comparing

                          floats
                          and false positives in the dead_code
                          lint.

                          Credits

                          Intro Theme: Aerocity

                          Audio Editing: Jon Gjengset

                          Hosting Infrastructure: Jon Gjengset

                          Show Notes: Jon Gjengset

                          Hosts: Jon Gjengset and Ben Striegel

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