mirror of https://github.com/rust-lang/rust
105 lines
4.2 KiB
Plaintext
105 lines
4.2 KiB
Plaintext
error[E0404]: expected trait, found struct `Struct`
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--> $DIR/suggest-swapping-self-ty-and-trait.rs:13:13
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LL | impl<'a, T> Struct<T> for Trait<'a, T> {}
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| ^^^^^^^^^ not a trait
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help: `impl` items mention the trait being implemented first and the type it is being implemented for second
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LL | impl<'a, T> Trait<'a, T> for Struct<T> {}
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| ~~~~~~~~~~~~ ~~~~~~~~~
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error[E0404]: expected trait, found enum `Enum`
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--> $DIR/suggest-swapping-self-ty-and-trait.rs:18:13
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LL | impl<'a, T> Enum<T> for Trait<'a, T> {}
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| ^^^^^^^ not a trait
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help: `impl` items mention the trait being implemented first and the type it is being implemented for second
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LL | impl<'a, T> Trait<'a, T> for Enum<T> {}
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| ~~~~~~~~~~~~ ~~~~~~~
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error[E0404]: expected trait, found union `Union`
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--> $DIR/suggest-swapping-self-ty-and-trait.rs:23:13
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LL | impl<'a, T> Union<T> for Trait<'a, T> {}
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| ^^^^^^^^ not a trait
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help: `impl` items mention the trait being implemented first and the type it is being implemented for second
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LL | impl<'a, T> Trait<'a, T> for Union<T> {}
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| ~~~~~~~~~~~~ ~~~~~~~~
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error[E0392]: type parameter `T` is never used
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--> $DIR/suggest-swapping-self-ty-and-trait.rs:3:19
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LL | pub struct Struct<T>;
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| ^ unused type parameter
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= help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
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= help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
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error[E0392]: type parameter `T` is never used
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--> $DIR/suggest-swapping-self-ty-and-trait.rs:5:15
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LL | pub enum Enum<T> {}
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| ^ unused type parameter
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= help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
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= help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
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error[E0392]: type parameter `T` is never used
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--> $DIR/suggest-swapping-self-ty-and-trait.rs:8:17
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LL | pub union Union<T> {
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| ^ unused type parameter
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= help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
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= help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
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warning: trait objects without an explicit `dyn` are deprecated
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--> $DIR/suggest-swapping-self-ty-and-trait.rs:13:27
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LL | impl<'a, T> Struct<T> for Trait<'a, T> {}
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| ^^^^^^^^^^^^
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
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= note: `#[warn(bare_trait_objects)]` on by default
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help: if this is an object-safe trait, use `dyn`
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LL | impl<'a, T> Struct<T> for dyn Trait<'a, T> {}
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| +++
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warning: trait objects without an explicit `dyn` are deprecated
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--> $DIR/suggest-swapping-self-ty-and-trait.rs:18:25
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LL | impl<'a, T> Enum<T> for Trait<'a, T> {}
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| ^^^^^^^^^^^^
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
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help: if this is an object-safe trait, use `dyn`
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LL | impl<'a, T> Enum<T> for dyn Trait<'a, T> {}
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| +++
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warning: trait objects without an explicit `dyn` are deprecated
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--> $DIR/suggest-swapping-self-ty-and-trait.rs:23:26
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LL | impl<'a, T> Union<T> for Trait<'a, T> {}
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| ^^^^^^^^^^^^
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= warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
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help: if this is an object-safe trait, use `dyn`
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LL | impl<'a, T> Union<T> for dyn Trait<'a, T> {}
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| +++
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error: aborting due to 6 previous errors; 3 warnings emitted
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Some errors have detailed explanations: E0392, E0404.
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For more information about an error, try `rustc --explain E0392`.
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