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Merged
rust-bors merged 2 commits into from
Jan 31, 2026
Merged

Document enum types used as values for E0423 #151892

rust-bors merged 2 commits into from
Jan 31, 2026

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@chahar-ritik
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@chahar-ritik chahar-ritik commented Jan 31, 2026

Problem

The E0423 error explanation did not include an example for enum types being used
as values, which is a common source of confusion for users.

For example, the following code:

fn main() {
    let x = Option::<i32>;
}

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jan 31, 2026
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rustbot commented Jan 31, 2026

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Kivooeo commented Jan 31, 2026

r? me

@bors r+ rollup

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rust-bors bot commented Jan 31, 2026

📌 Commit daaff44 has been approved by Kivooeo

It is now in the queue for this repository.

@rust-bors rust-bors bot added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Jan 31, 2026
@rust-bors rust-bors bot removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Jan 31, 2026
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chahar-ritik commented Jan 31, 2026 •
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Thanks for reviewing, @Kivooeo I’ll wait for Bors to merge.

@matthiaskrgr matthiaskrgr mentioned this pull request Jan 31, 2026
Merged
rust-bors bot pushed a commit that referenced this pull request Jan 31, 2026
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Auto merge of #151897 - matthiaskrgr:rollup-eTQjYr5, r=matthiaskrgr
78865ca 
Rollup of 4 pull requests

Successful merges:

 - #151262 (Introducing clap on tidy)
 - #151896 (Revert enabling `outline-atomics` on various platforms)
 - #151849 (refactor: remove `Ty::pinned_ref` in favor of `Ty::maybe_pinned_ref`)
 - #151892 (Document enum types used as values for E0423)
@rust-bors rust-bors bot merged commit 72f163c into rust-lang:main Jan 31, 2026
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rust-timer added a commit that referenced this pull request Jan 31, 2026
@rust-timer
Unrolled build for #151892
34423c6 
Rollup merge of #151892 - chahar-ritik:e0423-enum-doc, r=Kivooeo

Document enum types used as values for E0423

### Problem

The E0423 error explanation did not include an example for enum types being used
as values, which is a common source of confusion for users.

For example, the following code:

```rust
fn main() {
    let x = Option::<i32>;
}
```
@rustbot rustbot added this to the 1.95.0 milestone Jan 31, 2026
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