What's New in Rust 1.40

Jon and Ben review the changes introduced in Rust 1.40.

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

• [@00:52] - #[non_exhaustive] structs, enums, and variants
• [@12:31] - Macro and attribute improvements
  • StackOverflow: How do I create a function-like procedural macro?
• [@24:33] - Borrow check migration warnings are hard errors in Rust 2015
• [@25:21] - More const fns in the standard library
  • const-hack issue label
  • Rustacean Station: Compile-Time Evaluation, Interpreted Rust, and UB Sanitizing: Talking to Oliver Scherer about Miri
• [@28:31] - The todo! macro
• [@34:28] - slice::repeat
• [@35:09] - mem::take
• [@36:55] - BTreeMap::get_key_value and HashMap::get_key_value
  • Ivan Dubrov: Tricking the HashMap
• [@40:24] - Standardized functions for converting floating-point types to byte arrays of specific endianness
  • Proposed Rust RFC: Standard lazy types
  • Rust PR: Stabilize the matches! macro
• [@45:55] - Cargo tweaks

Credits

Intro Theme: Aerocity

Audio Editing: Jeremy Jung

Hosting Infrastructure: Jon Gjengset

Show Notes: Ben Striegel

Hosts: Jon Gjengset and Ben Striegel