What's New in Rust 1.50 and 1.51

Jon and Ben take a look at the features of the Rust 1.50 and 1.51 releases.

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
• Email: hello@rustacean-station.org

Timestamps & referenced resources

[@01:47] - Rust 1.50

• [@03:02] - Const Generic Array Indexing
• [@04:30] - Const Value Repetition for Arrays
  • Accidental Stabilization
• [@07:15] - Safe Assignment to ManuallyDrop in Unions
• [@09:40] - Niche for File on UNIX
  • Niches for Non-Empty Variants
  • Using Padding for Niches
• [@14:39] - Library Changes
  • Mara Bos on the journey to bool::then
  • bool::then PR
  • The Clamp RFC
• [@20:27] - Changelog Deep-Dive
  • Rust Changelog
  • Cargo Changelog
  • compare_and_swap deprecation
  • Deterministic .crate files

[@25:11] - Rust 1.51

• [@25:24] - Const Generics MVP
  • What Was and Wasn’t Stabilized
• [@30:00] - array::IntoIter stabilization
  • Implementing IntoIterator for [T; N]
• [@37:53] - Cargo’s New Feature Resolver
  • Resolver v2 RFC
  • Resolver v2 in Cargo Book
  • Issues Solved by New Resolver
• [@45:26] - Splitting Debug Information
  • Why This Was Complicated
  • split-debuginfo option
• [@51:34] - Stabilized APIs
  • offset_of! is (was) Unsound
  • ptr::addr_of!
  • Raw pointer creation RFC
  • Ergonomic string interpolation
  • Unifying panic!
  • Manual vTable for Wakers
• [@1:10:30] - Changelog Deep-Dive
  • Rust Changelog
  • Cargo Changelog
  • Documenting Nested Derefs
  • Smarter target-cpu=native

[@1:14:45] - Rust Async Vision Doc

• Async Foundations Working Group

Credits

Intro Theme: Aerocity

Audio Editing: Aerocity

Hosting Infrastructure: Jon Gjengset

Show Notes: Jon Gjengset

Hosts: Jon Gjengset and Ben Striegel

Transcript: Eric Seppanen