Hello and welcome to another issue of This Week in Rust! Rust is a systems language pursuing the trifecta: safety, concurrency, and speed. This is a weekly summary of its progress and community. Want something mentioned? Tweet us at @ThisWeekInRust or send us an email! Want to get involved? We love contributions.

This Week in Rust is openly developed on GitHub. If you find any errors in this week's issue, please submit a PR.

This week's edition was edited by: nasa42, brson, and llogiq.

Updates from Rust Community

News & Blog Posts

• Neon: Node + Rust = 💖. Neon is a set of APIs and tools for making it super easy to write native Node modules in Rust.
• [podcast] New Rustacean podcast episode 08. Generics, traits, and shared behavior in Rust.

Notable New Crates & Project Updates

• clang-rs. An idiomatic Rust wrapper for libclang.

Updates from Rust Core

56 pull requests were merged in the last week.

Notable changes

• configure: Enable -C rpath by default.
• std: Remove rust_builtin C support library.
• Add note when item accessed from module via m.i rather than m::i.
• std: Update jemalloc version.
• Implement RFC 1328 Custom Panic Handlers.

New Contributors

• Jeff Walden
• Kai Noda
• lnmx

Approved RFCs

Changes to Rust follow the Rust RFC (request for comments) process. These are the RFCs that were approved for implementation this week:

No RFCs were approved this week!

Final Comment Period

Every week the team announces the 'final comment period' for RFCs and key PRs which are reaching a decision. Express your opinions now. This week's FCPs are:

• Improve Cargo target-specific dependencies.
• Add a IndexAssign trait that allows overloading "indexed assignment" expressions like a[b] = c.
• Allow eliding more type parameters.
• Add an alias attribute to #[link] and -l.

New RFCs

• Feature gate extern fn methods.
• Placement in/box refinement.
• Statically dispatched methods for trait objects with associated data.

Upcoming Events

• 1/11. Seattle Rust Meetup.

If you are running a Rust event please add it to the calendar to get it mentioned here. Email Erick Tryzelaar or Brian Anderson for access.

fn work(on: RustProject) -> Money

• Technical Lead/Manager at EBI Portfolios.
• Research Engineer - Servo at Mozilla.
• Senior Research Engineer - Rust at Mozilla.
• Multiple positions at IronNet Cybersecurity.

Tweet us at @ThisWeekInRust to get your job offers listed here!

Crate of the Week

This week's Crate of the Week is handlebars-rust, an implementation of the Handlebars templating language for Rust. It also allows custom helpers and template inheritance for real-world usage. Thanks to @sunng for the suggestion.

Submit your suggestions for next week!

Quote of the Week

You have to think about it. You don't have to worry about it.

— SamReidHughes on manual memory management in Rust.

Thanks to Barosl for the tip.

Submit your quotes for next week!