rust/tests/ui/parser/attribute/multiple-tail-expr-behind-cfg.stderr

55 lines
2.0 KiB
Plaintext

error: expected `;`, found `#`
--> $DIR/multiple-tail-expr-behind-cfg.rs:5:64
|
LL | #[cfg(FALSE)]
| ------------- only `;` terminated statements or tail expressions are allowed after this attribute
LL | [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>()
| ^ expected `;` here
LL | #[cfg(not(FALSE))]
| - unexpected token
|
help: add `;` here
|
LL | [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>();
| +
help: alternatively, consider surrounding the expression with a block
|
LL | { [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>() }
| + +
help: it seems like you are trying to provide different expressions depending on `cfg`, consider using `if cfg!(..)`
|
LL ~ if cfg!(FALSE) {
LL ~ [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>()
LL ~ } else if cfg!(not(FALSE)) {
LL ~ String::new()
LL + }
|
error: expected `;`, found `#`
--> $DIR/multiple-tail-expr-behind-cfg.rs:12:64
|
LL | #[attr]
| ------- only `;` terminated statements or tail expressions are allowed after this attribute
LL | [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>()
| ^ expected `;` here
LL | #[attr]
| - unexpected token
|
help: add `;` here
|
LL | [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>();
| +
help: alternatively, consider surrounding the expression with a block
|
LL | { [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>() }
| + +
error: cannot find attribute `attr` in this scope
--> $DIR/multiple-tail-expr-behind-cfg.rs:13:7
|
LL | #[attr]
| ^^^^
error: aborting due to 3 previous errors