Rustacean Station

What's New in Rust 1.40

Jan 13, 2020

49:19

Creator website

Highlights

AI Chapters

Episode notes

Should We Deprecate Unimplemented?

05:48

Embedded Languages Supporting Features That Enable Libraries to Evolve

04:54

Is the Commododot Pattern a Trait Off?

03:01

Introduction

3min

Using Patterns in a Pattern Context?

3min

Is the Commododot Pattern a Trait Off?

3min

Errors Are a Great Place to Use This Attribut

2min

Embedded Languages Supporting Features That Enable Libraries to Evolve

5min

Using Procedurea Macros in a Scripting Environment?

4min

Macro Rules, Procedure Macros in Rust

5min

The Lending Check Migration Warnings Have Become Hard Errors in Rus 20 15

2min

Is There a Const Fen Hack in the Rest Compiler?

2min

10.

Rust Compiler - To Do Macro

4min

11.

Unimplemented Is a Diversion of That

2min

12.

Should We Deprecate Unimplemented?

6min

13.

A Float to Bite Functions for Floating Point Numbers

2min

14.

Using a Crate in Rust 20 20

2min

15.

A Library Is a Good Thing

2min

16.

Two Changes to the Release Notes for Rust Cargo and Clippy

3min

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!

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

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