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error[E0277]: the type `[{integer}]` cannot be indexed by `u8`
--> $DIR/indexing-requires-a-uint.rs:6:9
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LL | [0][0u8];
| ^^^ slice indices are of type `usize` or ranges of `usize`
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= help: the trait `SliceIndex<[{integer}]>` is not implemented for `u8`
but it 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
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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
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LL | fn bar<T>(_: T) {}
| ^^^ ----
help: you can convert a `usize` to an `isize` and panic if the converted value doesn't fit
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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`.
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