rust/tests/ui/parser/macro/macro-expand-to-match-arm.stderr
Esteban Küber a8f8b8de66 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!() },
   |                          ++++++++++++++
```
2025-02-22 18:30:14 +00:00

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error: macro expansion ignores `=>` and any tokens following
--> $DIR/macro-expand-to-match-arm.rs:3:18
|
LL | $pattern => $block
| ^^
...
LL | arm!(None => {}),
| ---------------- caused by the macro expansion here
|
= note: the usage of `arm!` is likely invalid in pattern context
= note: macros cannot expand to match arms
error: `match` arm with no body
--> $DIR/macro-expand-to-match-arm.rs:14:9
|
LL | arm!(None => {}),
| ^^^^^^^^^^^^^^^^
|
help: add a body after the pattern
|
LL | arm!(None => {}) => { todo!() },
| ++++++++++++++
error: aborting due to 2 previous errors