mirror of https://github.com/rust-lang/rust
32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
error[E0308]: mismatched types
|
|
--> $DIR/question-mark-operator-suggestion-span.rs:18:9
|
|
|
|
|
LL | / if true {
|
|
LL | | writeln!(w, "`;?` here ->")?;
|
|
LL | | } else {
|
|
LL | | writeln!(w, "but not here")
|
|
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `Result<(), Error>`
|
|
LL | |
|
|
LL | | }
|
|
| |_____- expected this to be `()`
|
|
|
|
|
= note: expected unit type `()`
|
|
found enum `Result<(), std::fmt::Error>`
|
|
= note: this error originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
|
|
help: consider using a semicolon here
|
|
|
|
|
LL | };
|
|
| +
|
|
help: you might have meant to return this value
|
|
|
|
|
LL | return writeln!(w, "but not here");
|
|
| ++++++ +
|
|
help: use the `?` operator to extract the `Result<(), std::fmt::Error>` value, propagating a `Result::Err` value to the caller
|
|
|
|
|
LL | writeln!(w, "but not here")?
|
|
| +
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0308`.
|