rust/tests/ui/suggestions/remove-question-symbol-with-paren.stderr
Esteban Küber 55f8c66a60 Point at return type when it influences non-first match arm
When encountering code like

```rust
fn foo() -> i32 {
    match 0 {
        1 => return 0,
        2 => "",
        _ => 1,
    }
}
```

Point at the return type and not at the prior arm, as that arm has type
`!` which isn't influencing the arm corresponding to arm `2`.

Fix #78124.
2023-08-14 21:43:56 +00:00

26 lines
701 B
Plaintext

error[E0308]: `?` operator has incompatible types
--> $DIR/remove-question-symbol-with-paren.rs:5:6
|
LL | fn foo() -> Option<()> {
| ---------- expected `Option<()>` because of return type
LL | let x = Some(());
LL | (x?)
| ^^ expected `Option<()>`, found `()`
|
= note: `?` operator cannot convert from `()` to `Option<()>`
= note: expected enum `Option<()>`
found unit type `()`
help: try removing this `?`
|
LL - (x?)
LL + (x)
|
help: try wrapping the expression in `Some`
|
LL | (Some(x?))
| +++++ +
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.