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
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--> $DIR/no-implicit-dyn-star.rs:6:48
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LL | dyn_star_foreign::require_dyn_star_display(1usize);
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| ------------------------------------------ ^^^^^^ expected `dyn Display`, found `usize`
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| |
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| arguments to this function are incorrect
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= note: expected trait object `(dyn* std::fmt::Display + 'static)`
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found type `usize`
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= help: `usize` implements `Display`, `#[feature(dyn_star)]` is likely not enabled; that feature it is currently incomplete
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note: function defined here
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--> $DIR/auxiliary/dyn-star-foreign.rs:6:8
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LL | pub fn require_dyn_star_display(_: dyn* Display) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0308`.
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