rust-lang / rust-lang/rust-clippy

Enable trimmed paths

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C-tracking-issue
Dominant language
Rust
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Description

Blocked on #7797.

This was initially attempted in #7668.

We probably should write an internal lint to detect trimmed path invocations that would ICE if a lint is not emitted (e.g. it is allowed). This would work by finding Ty as Display usages like type.to_string() or tcx.def_path_str calls that occur outside of span_clippy_lint.

Contributor guide

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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 with the blocker in #7797 and the earlier attempt in #7668. Inspect Ty as Display usages such as type.to_string() and tcx.def_path_str outside span_clippy_lint; the work is done when trimmed-path invocations are detected and permitted cases do not ICE.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
tooling
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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