rust-lang / rust-lang/rfcs

Consider making shadowing of type/lifetime parameters a lint

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Description

see #459

We accepted this RFC as a hard error, but it should probably be a configurable lint.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the referenced issue #459 and the RFC discussion that accepted shadowing of type and lifetime parameters as a hard error. Clarify the design and implementation scope for making that behavior a configurable lint; done means the proposal has an agreed lint behavior and documented resolution.

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Assessment

Tech stack
rust
Domain
compilers
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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