| error: return types are denoted using `->` |
| --> $DIR/avoid-ice-on-warning.rs:4:23 |
| | |
| LL | fn call_this<F>(f: F) : Fn(&str) + call_that {} |
| | ^ |
| | |
| help: use `->` instead |
| | |
| LL | fn call_this<F>(f: F) -> Fn(&str) + call_that {} |
| | ~~ |
| |
| error[E0405]: cannot find trait `call_that` in this scope |
| --> $DIR/avoid-ice-on-warning.rs:4:36 |
| | |
| LL | fn call_this<F>(f: F) : Fn(&str) + call_that {} |
| | ^^^^^^^^^ not found in this scope |
| |
| warning: trait objects without an explicit `dyn` are deprecated |
| --> $DIR/avoid-ice-on-warning.rs:4:25 |
| | |
| LL | fn call_this<F>(f: F) : Fn(&str) + call_that {} |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | |
| = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! |
| = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html> |
| = note: `#[warn(bare_trait_objects)]` on by default |
| help: if this is a dyn-compatible trait, use `dyn` |
| | |
| LL | fn call_this<F>(f: F) : dyn Fn(&str) + call_that {} |
| | +++ |
| |
| error: aborting due to 2 previous errors; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0405`. |
