mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 15:23:46 +00:00
14 lines
564 B
Plaintext
14 lines
564 B
Plaintext
error[E0658]: cannot cast `dyn Bar` to `dyn Foo`, trait upcasting coercion is experimental
|
|
--> $DIR/feature-gate-trait_upcasting.rs:11:25
|
|
|
|
|
LL | let foo: &dyn Foo = bar;
|
|
| ^^^
|
|
|
|
|
= note: see issue #65991 <https://github.com/rust-lang/rust/issues/65991> for more information
|
|
= help: add `#![feature(trait_upcasting)]` to the crate attributes to enable
|
|
= note: required when coercing `&dyn Bar` into `&dyn Foo`
|
|
|
|
error: aborting due to previous error
|
|
|
|
For more information about this error, try `rustc --explain E0658`.
|