What features would you like to see in rust?

• rfcs

  666 5,685 9.7 Markdown

  RFCs for changes to Rust

  

  Well, there is a RFC and a tracking issue for it, but it doesn't seem to be ready any time soon. The last comment is from 2021. So maybe, someday in the future when somebody with the knowledge, time and motivation decides to push this forward.

• rust

  2,680 92,627 10.0 Rust

  Empowering everyone to build reliable and efficient software.

  

  const_type_id is probably my biggest ask right now. It's currently impossible to write compile time constructed reflection structures without it.

• WorkOS

  workos.com

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• lang-team

  25 190 7.8 JavaScript

  Home of the Rust lang team

  

  Did you read the link the original comment posted? I think that explains the idea rather well https://github.com/rust-lang/lang-team/issues/122

• const_soft_float

  2 16 4.7 Rust

  rust const soft float point library

  There’s https://github.com/823984418/const_soft_float which can get you pretty far. I made a proof of concept linear algebra crate on top of it.

• mdoexperiments

  4 22 2.1 Rust

  Discontinued Rust experiments involving Haskell-esque do notation, state, failure and Nom parsers!

  You can kind of do it in a hacky way with macros, but unfortunately it wasn't really suitable for practical use: https://github.com/KerfuffleV2/mdoexperiments

• lending-iterator.rs

  1 73 3.5 Rust

  Lending iterators on stable Rust

  GAT's fully supporting lending iterators (https://github.com/danielhenrymantilla/lending-iterator.rs/issues/10)

• carbon-lang

  174 32,151 9.8 C++

  Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

  

  I also don't dislike what (the as of now mostly vaporware) carbon is trying to do in terms of implicit conversions. At least as it pertains to numbers (imho they take it too far by allowing user defined implicit conversions). I like how they define their rules: The conversion must be losless and semantics preserving. That also lays out clear rules when an int to float conversion is legal. https://github.com/carbon-language/carbon-lang/blob/trunk/docs/design/expressions/implicit_conversions.md

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