rust/tests/ui/consts/const_in_pattern/arrays-and-slices.stderr

85 lines
3.1 KiB
Plaintext

error[E0308]: mismatched types
--> $DIR/arrays-and-slices.rs:18:9
|
LL | const BSTR_SIZED: &'static [u8; 3] = b"012";
| ---------------------------------- constant defined here
...
LL | match BSTR_UNSIZED {
| ------------ this expression has type `&[u8]`
LL | BSTR_SIZED => {}
| ^^^^^^^^^^
| |
| expected `&[u8]`, found `&[u8; 3]`
| `BSTR_SIZED` is interpreted as a constant, not a new binding
| help: introduce a new binding instead: `other_bstr_sized`
|
= note: expected reference `&[u8]`
found reference `&'static [u8; 3]`
error[E0308]: mismatched types
--> $DIR/arrays-and-slices.rs:23:9
|
LL | const STRUCT_SIZED: &'static SomeStruct<[u8; 3]> = &SomeStruct(*BSTR_SIZED);
| ------------------------------------------------ constant defined here
...
LL | match STRUCT_UNSIZED {
| -------------- this expression has type `&SomeStruct<[u8]>`
LL | STRUCT_SIZED => {}
| ^^^^^^^^^^^^
| |
| expected `&SomeStruct<[u8]>`, found `&SomeStruct<[u8; 3]>`
| `STRUCT_SIZED` is interpreted as a constant, not a new binding
| help: introduce a new binding instead: `other_struct_sized`
|
= note: expected reference `&SomeStruct<[u8]>`
found reference `&'static SomeStruct<[u8; 3]>`
error[E0308]: mismatched types
--> $DIR/arrays-and-slices.rs:30:9
|
LL | const BSTR_SIZED: &'static [u8; 3] = b"012";
| ---------------------------------- constant defined here
...
LL | match BSTR_UNSIZED {
| ------------ this expression has type `&[u8]`
LL | BSTR_SIZED => {}
| ^^^^^^^^^^
| |
| expected `&[u8]`, found `&[u8; 3]`
| `BSTR_SIZED` is interpreted as a constant, not a new binding
| help: introduce a new binding instead: `other_bstr_sized`
|
= note: expected reference `&[u8]`
found reference `&'static [u8; 3]`
error[E0308]: mismatched types
--> $DIR/arrays-and-slices.rs:37:9
|
LL | const STRUCT_SIZED: &'static SomeStruct<[u8; 3]> = &SomeStruct(*BSTR_SIZED);
| ------------------------------------------------ constant defined here
...
LL | match STRUCT_UNSIZED {
| -------------- this expression has type `&SomeStruct<[u8]>`
LL | STRUCT_SIZED => {}
| ^^^^^^^^^^^^
| |
| expected `&SomeStruct<[u8]>`, found `&SomeStruct<[u8; 3]>`
| `STRUCT_SIZED` is interpreted as a constant, not a new binding
| help: introduce a new binding instead: `other_struct_sized`
|
= note: expected reference `&SomeStruct<[u8]>`
found reference `&'static SomeStruct<[u8; 3]>`
error: cannot use unsized non-slice type `SomeStruct<[u8]>` in constant patterns
--> $DIR/arrays-and-slices.rs:47:9
|
LL | const STRUCT_UNSIZED: &'static SomeStruct<[u8]> = STRUCT_SIZED;
| ----------------------------------------------- constant defined here
...
LL | STRUCT_UNSIZED => {}
| ^^^^^^^^^^^^^^
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0308`.