rust-lang / rust-lang/rust-analyzer

Suggestion: option to show/hide function parentheses in autocomplete entries

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A-completion
Dominant language
Rust
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Avg merge
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Merged PRs (30d)
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Description

In some past version (I don't remember which one), rust-analyzer started adding parentheses to functions in autocomplete suggestions. In the example below, parentheses are appended to function names:

  • functions without arguments receive ();
  • those with arguments receive (...):

Screnshot

My suggestion is making these parentheses optional, so their rendering can be enabled or disabled by the user.

Contributor guide

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First steps

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  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

No files or tests are identified in the issue. Start by locating the autocomplete rendering and configuration paths in rust-analyzer, then inspect existing completion tests. Done means users can enable or disable displayed function parentheses, with coverage for functions with and without arguments.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
devtools
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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