rust/tests/ui/expr/if/if-else-chain-missing-else.rs, branch betahttps://github.com/rust-lang/rust
http://git.dreamy.place/mirrors/rust/atom?h=beta2025-01-16T00:18:26+00:00Detect if-else chains with a missing final else in type errors2025-01-16T00:18:26+00:00Esteban Küberesteban@kuber.com.ar2025-01-15T22:09:52+00:00urn:sha1:f78a1bd89ade0d326a47222e51c61bd631530416
```
error[E0308]: `if` and `else` have incompatible types
--> $DIR/if-else-chain-missing-else.rs:12:12
|
LL | let x = if let Ok(x) = res {
| ______________-
LL | | x
| | - expected because of this
LL | | } else if let Err(e) = res {
| | ____________^
LL | || return Err(e);
LL | || };
| || ^
| ||_____|
| |_____`if` and `else` have incompatible types
| expected `i32`, found `()`
|
= note: `if` expressions without `else` evaluate to `()`
= note: consider adding an `else` block that evaluates to the expected type
```
We probably want a longer explanation and fewer spans on this case.
Partially address #133316.