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warning: trait objects without an explicit `dyn` are deprecated
--> $DIR/fresh-lifetime-from-bare-trait-obj-114664.rs:5:24
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LL | fn ice() -> impl AsRef<Fn(&())> {
| ^^^^^^^
|
= 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 an object-safe trait, use `dyn`
|
LL | fn ice() -> impl AsRef<dyn Fn(&())> {
| +++
warning: 1 warning emitted
|
