What's New in Rust 1.58 and 1.59

Jon and Ben discuss the highlights of the 1.58 and 1.59 releases of Rust.

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Timestamps & referenced resources

[@01:10] - Rust 1.58

• [@01:18] - Captured identifiers in format strings
• [@07:40] - Reduced Windows Command search path
  • ripgrep CVE
  • ripgrep fix commit
• [@11:05] - More #[must_use] in the standard library
  • Tracking issue for #[must_use] PRs
  • When to use #[must_use]
• [@17:16] - Stabilized APIs
  • std::fs::OpenOptions
  • Tracking issue for *::unwrap_unchecked
• [@22:50] - Rust 1.58.1
  • Security Advisory
  • C++ is probably also vulnerable

[@27:15] - Rust 1.59

• [@28:00] - Inline assembly
  • std::intrinsics
  • Inline assembly by example
• [@39:06] - Destructuring assignments
• [@44:00] - Const generics defaults and interleaving
• [@46:11] - Future incompatibility warnings
• [@51:28] - Creating stripped binaries
• [@53:54] - Incremental compilation off by default
  • Incremental disabled back in Rust 1.52.1
  • The identified issue
• [@58:50] - Stabilized APIs
  • available_parallelism
  • num_cpus crate
• [@1:03:04] - Changelog deep-dive
  • cargo r -r
  • Tracking issue for v0 symbol mangling
  • Switching to v0 by default
  • HashSet and HashMap method bounds changed
  • fantoccini using multiple impl blocks

Credits

Intro Theme: Aerocity

Audio Editing: Aerocity

Hosting Infrastructure: Jon Gjengset

Show Notes: Jon Gjengset

Hosts: Jon Gjengset and Ben Striegel