Extend `&pattern` to general `Deref` implementation.
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Description
For example, suppose X derefs, then &pat takes X and dereferences it. If the dereferenced value matches pattern pat, it matches.
In other words, it extends &pattern from only allowing dereferencing of &T to allowing dereferencing of arbitrary T: Deref.
Alternative is of course to introduce a seperate syntax for it.
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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 issue #2099 and review its proposal to extend &pattern from &T to arbitrary T: Deref. Check the Rust RFC process and related pattern-matching design discussions before proposing work. Done means the syntax and matching semantics are resolved, including whether a separate syntax is needed, with an accepted design.
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