mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 10:45:18 +00:00
36 lines
1.4 KiB
Plaintext
36 lines
1.4 KiB
Plaintext
error[E0277]: the type `[{integer}]` cannot be indexed by `u8`
|
|
--> $DIR/indexing-requires-a-uint.rs:6:9
|
|
|
|
|
LL | [0][0u8];
|
|
| ^^^ slice indices are of type `usize` or ranges of `usize`
|
|
|
|
|
= help: the trait `SliceIndex<[{integer}]>` is not implemented for `u8`
|
|
= help: the trait `SliceIndex<[{integer}]>` is implemented for `usize`
|
|
= help: for that trait implementation, expected `usize`, found `u8`
|
|
= note: required for `[{integer}]` to implement `Index<u8>`
|
|
= note: 1 redundant requirement hidden
|
|
= note: required for `[{integer}; 1]` to implement `Index<u8>`
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/indexing-requires-a-uint.rs:12:18
|
|
|
|
|
LL | bar::<isize>(i); // i should not be re-coerced back to an isize
|
|
| ------------ ^ expected `isize`, found `usize`
|
|
| |
|
|
| arguments to this function are incorrect
|
|
|
|
|
note: function defined here
|
|
--> $DIR/indexing-requires-a-uint.rs:5:8
|
|
|
|
|
LL | fn bar<T>(_: T) {}
|
|
| ^^^ ----
|
|
help: you can convert a `usize` to an `isize` and panic if the converted value doesn't fit
|
|
|
|
|
LL | bar::<isize>(i.try_into().unwrap()); // i should not be re-coerced back to an isize
|
|
| ++++++++++++++++++++
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
Some errors have detailed explanations: E0277, E0308.
|
|
For more information about an error, try `rustc --explain E0277`.
|