error[E0277]: the size for values of type `dyn Trait` cannot be known at compilation time | |
--> $DIR/unsized_coercion.rs:14:17 | |
| | |
LL | let x = hello(); | |
| ^^^^^^^ doesn't have a size known at compile-time | |
| | |
= help: the trait `Sized` is not implemented for `dyn Trait` | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0277`. |