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 a pull request . Want to get involved? We love contributions .
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This week's crate is cargo-asm , a cargo subcommand to show the resulting assembly of a function. Useful for performance work.
Thanks to Trevor Spiteri for the suggestion!
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359 pull requests were merged in the last week
asm!syntax fromRFC #2850
once_cellcrate instead of custom data structure
ty::Kindduring structural match checking
InlineAsmOperandexpresions being visited twice during liveness checking
Syncupvars captured by generator
FnDefand arg-less closure and vice versa
T's discriminant type in
Vecsize to 4 instead of 1
std::charfunctions and constants associated to
impl Ord for proc_macro::LineColumn
patch, and provide better errors if an update is not possible
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 last week.
Every week the team announces the 'final comment period' for RFCs and key PRs which are reaching a decision. Express your opinions now.
No RFCs are currently in the final comment period.
No new RFCs were proposed this week.
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Things that are programming patterns in C are types in Rust.
Thanks to trentj for the suggestions!