1 error[E0277]: the trait bound `&[u8]: std::io::Write` is not satisfied
2 --> $DIR/issue-105645.rs:4:9
5 | --- ^^^^^^^^^ the trait `std::io::Write` is not implemented for `&[u8]`
7 | required by a bound introduced by this call
9 = help: the trait `std::io::Write` is implemented for `&mut [u8]`
10 note: required by a bound in `foo`
11 --> $DIR/issue-105645.rs:8:21
13 LL | fn foo(_: &mut impl std::io::Write) {}
14 | ^^^^^^^^^^^^^^ required by this bound in `foo`
16 error: aborting due to previous error
18 For more information about this error, try `rustc --explain E0277`.