Fix "missing match arm body" suggestion involving !
#137435
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Include the match arm guard in the gated span, so that the suggestion to add a body is correct instead of inserting the body before the guard.
Make the suggestion verbose.
```
error: `match` arm with no body
--> $DIR/feature-gate-never_patterns.rs:43:9
|
LL | Some(_) if false,
| ^^^^^^^^^^^^^^^^
|
help: add a body after the pattern
|
LL | Some(_) if false => { todo!() },
| ++++++++++++++
```
estebank
commented
Feb 22, 2025
| help: add a body after the pattern | ||
| | | ||
| LL | arm!(None => {}) => { todo!() }, | ||
| | ++++++++++++++ |
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This isn't great, we'll have to deal with macros somehow :-/
compiler-errors
approved these changes
Feb 23, 2025
|
@bors r+ rollup |
bors
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Rollup of 9 pull requests Successful merges: - rust-lang#135354 ([Debuginfo] Add MSVC Synthetic and Summary providers to LLDB) - rust-lang#136826 (Replace mem::zeroed with mem::MaybeUninit::uninit for large struct in Unix) - rust-lang#137194 (More const {} init in thread_local) - rust-lang#137334 (Greatly simplify lifetime captures in edition 2024) - rust-lang#137382 (bootstrap: add doc for vendor build step) - rust-lang#137423 (Improve a bit HIR pretty printer) - rust-lang#137435 (Fix "missing match arm body" suggestion involving `!`) - rust-lang#137448 (Fix bugs due to unhandled `ControlFlow` in compiler) - rust-lang#137458 (Fix missing self subst when rendering `impl Fn*<T>` with no output type) r? `@ghost` `@rustbot` modify labels: rollup
rust-timer
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Rollup merge of rust-lang#137435 - estebank:match-arm-2, r=compiler-errors Fix "missing match arm body" suggestion involving `!` Include the match arm guard in the gated span, so that the suggestion to add a body is correct instead of inserting the body before the guard. Make the suggestion verbose. ``` error: `match` arm with no body --> $DIR/feature-gate-never_patterns.rs:43:9 | LL | Some(_) if false, | ^^^^^^^^^^^^^^^^ | help: add a body after the pattern | LL | Some(_) if false => { todo!() }, | ++++++++++++++ ``` r? `@compiler-errors`
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Include the match arm guard in the gated span, so that the suggestion to add a body is correct instead of inserting the body before the guard.
Make the suggestion verbose.
r? @compiler-errors