error[E0277]: the type `[isize]` cannot be indexed by `u8` --> $DIR/integral-indexing.rs:6:5 | LL | v[3u8]; | ^^^^^^ slice indices are of type `usize` or ranges of `usize` | = help: the trait `SliceIndex<[isize]>` is not implemented for `u8` = help: the trait `SliceIndex<[T]>` is implemented for `usize` = note: required because of the requirements on the impl of `Index` for `Vec` error[E0277]: the type `[isize]` cannot be indexed by `i8` --> $DIR/integral-indexing.rs:7:5 | LL | v[3i8]; | ^^^^^^ slice indices are of type `usize` or ranges of `usize` | = help: the trait `SliceIndex<[isize]>` is not implemented for `i8` = help: the trait `SliceIndex<[T]>` is implemented for `usize` = note: required because of the requirements on the impl of `Index` for `Vec` error[E0277]: the type `[isize]` cannot be indexed by `u32` --> $DIR/integral-indexing.rs:8:5 | LL | v[3u32]; | ^^^^^^^ slice indices are of type `usize` or ranges of `usize` | = help: the trait `SliceIndex<[isize]>` is not implemented for `u32` = help: the trait `SliceIndex<[T]>` is implemented for `usize` = note: required because of the requirements on the impl of `Index` for `Vec` error[E0277]: the type `[isize]` cannot be indexed by `i32` --> $DIR/integral-indexing.rs:9:5 | LL | v[3i32]; | ^^^^^^^ slice indices are of type `usize` or ranges of `usize` | = help: the trait `SliceIndex<[isize]>` is not implemented for `i32` = help: the trait `SliceIndex<[T]>` is implemented for `usize` = note: required because of the requirements on the impl of `Index` for `Vec` error[E0277]: the type `[u8]` cannot be indexed by `u8` --> $DIR/integral-indexing.rs:12:5 | LL | s.as_bytes()[3u8]; | ^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize` | = help: the trait `SliceIndex<[u8]>` is not implemented for `u8` = help: the trait `SliceIndex<[T]>` is implemented for `usize` = note: required because of the requirements on the impl of `Index` for `[u8]` error[E0277]: the type `[u8]` cannot be indexed by `i8` --> $DIR/integral-indexing.rs:13:5 | LL | s.as_bytes()[3i8]; | ^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize` | = help: the trait `SliceIndex<[u8]>` is not implemented for `i8` = help: the trait `SliceIndex<[T]>` is implemented for `usize` = note: required because of the requirements on the impl of `Index` for `[u8]` error[E0277]: the type `[u8]` cannot be indexed by `u32` --> $DIR/integral-indexing.rs:14:5 | LL | s.as_bytes()[3u32]; | ^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize` | = help: the trait `SliceIndex<[u8]>` is not implemented for `u32` = help: the trait `SliceIndex<[T]>` is implemented for `usize` = note: required because of the requirements on the impl of `Index` for `[u8]` error[E0277]: the type `[u8]` cannot be indexed by `i32` --> $DIR/integral-indexing.rs:15:5 | LL | s.as_bytes()[3i32]; | ^^^^^^^^^^^^^^^^^^ slice indices are of type `usize` or ranges of `usize` | = help: the trait `SliceIndex<[u8]>` is not implemented for `i32` = help: the trait `SliceIndex<[T]>` is implemented for `usize` = note: required because of the requirements on the impl of `Index` for `[u8]` error: aborting due to 8 previous errors For more information about this error, try `rustc --explain E0277`.