rust/tests/ui/typeck/typeck_type_placeholder_ite...

84 lines
3.0 KiB
Plaintext

error[E0121]: the placeholder `_` is not allowed within types on item signatures for return types
--> $DIR/typeck_type_placeholder_item_help.rs:4:15
|
LL | fn test1() -> _ { Some(42) }
| ^
| |
| not allowed in type signatures
| help: replace with the correct return type: `Option<i32>`
error[E0121]: the placeholder `_` is not allowed within types on item signatures for constants
--> $DIR/typeck_type_placeholder_item_help.rs:7:14
|
LL | const TEST2: _ = 42u32;
| ^
| |
| not allowed in type signatures
| help: replace with the correct type: `u32`
error[E0121]: the placeholder `_` is not allowed within types on item signatures for constants
--> $DIR/typeck_type_placeholder_item_help.rs:10:14
|
LL | const TEST3: _ = Some(42);
| ^
| |
| not allowed in type signatures
| help: replace with the correct type: `Option<i32>`
error[E0121]: the placeholder `_` is not allowed within types on item signatures for functions
--> $DIR/typeck_type_placeholder_item_help.rs:13:22
|
LL | const TEST4: fn() -> _ = 42;
| ^ not allowed in type signatures
error[E0121]: the placeholder `_` is not allowed within types on item signatures for constant items
--> $DIR/typeck_type_placeholder_item_help.rs:13:22
|
LL | const TEST4: fn() -> _ = 42;
| ^ not allowed in type signatures
error[E0121]: the placeholder `_` is not allowed within types on item signatures for associated constants
--> $DIR/typeck_type_placeholder_item_help.rs:25:18
|
LL | const TEST6: _ = 13;
| ^
| |
| not allowed in type signatures
| help: replace with the correct type: `i32`
error[E0121]: the placeholder `_` is not allowed within types on item signatures for associated constants
--> $DIR/typeck_type_placeholder_item_help.rs:18:18
|
LL | const TEST5: _ = 42;
| ^
| |
| not allowed in type signatures
| help: replace with the correct type: `i32`
error[E0308]: mismatched types
--> $DIR/typeck_type_placeholder_item_help.rs:30:28
|
LL | let _: Option<usize> = test1();
| ------------- ^^^^^^^ expected `Option<usize>`, found `Option<i32>`
| |
| expected due to this
|
= note: expected enum `Option<usize>`
found enum `Option<i32>`
error[E0308]: mismatched types
--> $DIR/typeck_type_placeholder_item_help.rs:31:18
|
LL | let _: f64 = test1();
| --- ^^^^^^^ expected `f64`, found `Option<i32>`
| |
| expected due to this
|
= note: expected type `f64`
found enum `Option<i32>`
error: aborting due to 9 previous errors
Some errors have detailed explanations: E0121, E0308.
For more information about an error, try `rustc --explain E0121`.