blob: 62113c82a364811dd81274618db26a0d5f5561fb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
error[E0004]: non-exhaustive patterns: `Ok(_)` not covered
--> $DIR/uninhabited-patterns.rs:34:11
|
LL | match x {
| ^ pattern `Ok(_)` not covered
|
note: `Result<Box<NotSoSecretlyEmpty>, &[Result<!, !>]>` defined here
--> $SRC_DIR/core/src/result.rs:LL:COL
::: $SRC_DIR/core/src/result.rs:LL:COL
|
= note: not covered
= note: the matched value is of type `Result<Box<NotSoSecretlyEmpty>, &[Result<!, !>]>`
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
|
LL ~ Err(&[..]) => (),
LL ~ Ok(_) => todo!(),
|
error: unreachable pattern
--> $DIR/uninhabited-patterns.rs:43:9
|
LL | Err(Ok(_y)) => (),
| ^^^^^^^^^^^-------
| |
| matches no values because `NotSoSecretlyEmpty` is uninhabited
| help: remove the match arm
|
= note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
note: the lint level is defined here
--> $DIR/uninhabited-patterns.rs:4:9
|
LL | #![deny(unreachable_patterns)]
| ^^^^^^^^^^^^^^^^^^^^
error: unreachable pattern
--> $DIR/uninhabited-patterns.rs:46:15
|
LL | while let Some(_y) = foo() {
| ^^^^^^^^ matches no values because `NotSoSecretlyEmpty` is uninhabited
|
= note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0004`.
|
