mirror of https://github.com/rust-lang/rust
53 lines
1.8 KiB
Plaintext
53 lines
1.8 KiB
Plaintext
error[E0658]: attributes on expressions are experimental
|
|
--> $DIR/ICE-119271-never-arm-attr-in-guard.rs:7:16
|
|
|
|
|
LL | if #[deny(unused_mut)]
|
|
| ^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
|
|
= help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable
|
|
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
|
|
|
|
error[E0658]: `!` patterns are experimental
|
|
--> $DIR/ICE-119271-never-arm-attr-in-guard.rs:5:14
|
|
|
|
|
LL | Some(!)
|
|
| ^
|
|
|
|
|
= note: see issue #118155 <https://github.com/rust-lang/rust/issues/118155> for more information
|
|
= help: add `#![feature(never_patterns)]` to the crate attributes to enable
|
|
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
|
|
|
|
error: a guard on a never pattern will never be run
|
|
--> $DIR/ICE-119271-never-arm-attr-in-guard.rs:8:13
|
|
|
|
|
LL | false
|
|
| ^^^^^ help: remove this guard
|
|
|
|
error: mismatched types
|
|
--> $DIR/ICE-119271-never-arm-attr-in-guard.rs:5:14
|
|
|
|
|
LL | Some(!)
|
|
| ^ a never pattern must be used on an uninhabited type
|
|
|
|
|
= note: the matched value is of type `u32`
|
|
|
|
error[E0004]: non-exhaustive patterns: type `bool` is non-empty
|
|
--> $DIR/ICE-119271-never-arm-attr-in-guard.rs:10:11
|
|
|
|
|
LL | match false {}
|
|
| ^^^^^
|
|
|
|
|
= note: the matched value is of type `bool`
|
|
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
|
|
|
|
|
LL ~ match false {
|
|
LL + _ => todo!(),
|
|
LL ~ }
|
|
|
|
|
|
|
error: aborting due to 5 previous errors
|
|
|
|
Some errors have detailed explanations: E0004, E0658.
|
|
For more information about an error, try `rustc --explain E0004`.
|