41 lines
1.4 KiB
Plaintext
41 lines
1.4 KiB
Plaintext
error[E0284]: type annotations needed
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--> $DIR/dyn-compatibility-ok-infer-err.rs:19:5
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LL | use_dyn(&());
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| ^^^^^^^ cannot infer the value of the const parameter `N` declared on the function `use_dyn`
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note: required by a const generic parameter in `use_dyn`
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--> $DIR/dyn-compatibility-ok-infer-err.rs:14:12
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LL | fn use_dyn<const N: usize>(v: &dyn Foo<N>) where [u8; N + 1]: Sized {
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| ^^^^^^^^^^^^^^ required by this const generic parameter in `use_dyn`
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help: consider specifying the generic argument
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LL | use_dyn::<N>(&());
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| +++++
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error[E0284]: type annotations needed
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--> $DIR/dyn-compatibility-ok-infer-err.rs:19:5
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LL | use_dyn(&());
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| ^^^^^^^ --- type must be known at this point
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| |
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| cannot infer the value of the const parameter `N` declared on the function `use_dyn`
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note: required for `()` to implement `Foo<_>`
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--> $DIR/dyn-compatibility-ok-infer-err.rs:8:22
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LL | impl<const N: usize> Foo<N> for () {
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| -------------- ^^^^^^ ^^
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| |
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| unsatisfied trait bound introduced here
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= note: required for the cast from `&()` to `&dyn Foo<_>`
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help: consider specifying the generic argument
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LL | use_dyn::<N>(&());
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| +++++
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0284`.
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