Tracking Issue for const_convert
Nobody has claimed this yet.
- Dominant language
- Rust
- Stars
- 119k
- Forks
- 16.1k
- PR merge metrics
- PR metrics pending
Description
Feature gate: #![feature(const_from)]
This is a tracking issue for const From and Into traits, impls, and related functions.
Public API
const {
let x = 5_u8;
let y: i32 = x.into();
}
Note: there are a hundreds of implementations that could be made const. However, while const traits are unstable, please limit new const implementations to those that are needed for some specific purpose, e.g. supporting a specific feature or experimenting with a certain aspect of . Anything that is going for "completeness" can be done after stabilization.
Steps / History
(Remember to update the S-tracking-* label when checking boxes.)
- Implementation: https://github.com/rust-lang/rust/pull/143774
- Final comment period (FCP)^1
- Stabilization PR
Unresolved Questions
- None yet.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the const_from feature gate, the public API example, and the implementation PR referenced in the checklist. Review the remaining stabilization checklist, including the final comment period and stabilization PR; done means the tracking issue advances through those pending steps.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 25/100