mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 01:04:03 +00:00
d992d9cd56
When encountering a type mismatch error involving `dyn Trait`, mention the existence of boxed trait objects if the other type involved implements `Trait`. Partially addresses #102629.
21 lines
820 B
Plaintext
21 lines
820 B
Plaintext
error[E0308]: mismatched types
|
|
--> $DIR/no-implicit-dyn-star.rs:6:48
|
|
|
|
|
LL | dyn_star_foreign::require_dyn_star_display(1usize);
|
|
| ------------------------------------------ ^^^^^^ expected `dyn Display`, found `usize`
|
|
| |
|
|
| arguments to this function are incorrect
|
|
|
|
|
= note: expected trait object `(dyn* std::fmt::Display + 'static)`
|
|
found type `usize`
|
|
= help: `usize` implements `Display`, `#[feature(dyn_star)]` is likely not enabled; that feature it is currently incomplete
|
|
note: function defined here
|
|
--> $DIR/auxiliary/dyn-star-foreign.rs:6:8
|
|
|
|
|
LL | pub fn require_dyn_star_display(_: dyn* Display) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0308`.
|