rust-lang / rust-lang/rust-analyzer
Type size / layout not shown for `NonZero<i32>`
Nobody has claimed this yet.
- Dominant language
- Rust
- Stars
- 16.9k
- Forks
- 2.2k
- Avg merge
- 1d 12h
- Merged PRs (30d)
- 72
Description
rust-analyzer version: rust-analyzer version: 0.4.2979-standalone (cac0779549 2026-07-18)
rustc version: rustc 1.97.1
editor or extension: VSCode
code snippet to reproduce:
struct A {
value: NonZero<i32>,
}
Size/layout of A isn't shown. Noticed it because type containing time::Date size wasn't shown.
This issue may be related and recently got fixed https://github.com/rust-lang/rust-analyzer/issues/21814
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 minimal Rust snippet in the issue and inspect the existing fix referenced in issue #21814. Trace how rust-analyzer computes and displays type size/layout for a struct containing NonZero; done means the layout is shown for A and for types containing time::Date, with a regression test covering the reproduction.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 55/100