mirror of https://github.com/rust-lang/rust
74 lines
2.6 KiB
Plaintext
74 lines
2.6 KiB
Plaintext
error: const `impl` for trait `Add` which is not marked with `#[const_trait]`
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--> $DIR/unify-op-with-fn-call.rs:10:12
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LL | impl const std::ops::Add for Foo {
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| ^^^^^^^^^^^^^
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= note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
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= note: adding a non-const method body in the future would be a breaking change
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error[E0741]: `Foo` must implement `ConstParamTy` to be used as the type of a const generic parameter
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--> $DIR/unify-op-with-fn-call.rs:18:29
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LL | struct Evaluatable<const N: Foo>;
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| ^^^
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help: add `#[derive(ConstParamTy)]` to the struct
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LL + #[derive(ConstParamTy)]
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LL | struct Foo(u8);
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error[E0284]: type annotations needed: cannot normalize `foo<N>::{constant#0}`
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--> $DIR/unify-op-with-fn-call.rs:20:25
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LL | fn foo<const N: Foo>(a: Evaluatable<{ N + N }>) {
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| ^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `foo<N>::{constant#0}`
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error[E0741]: `Foo` must implement `ConstParamTy` to be used as the type of a const generic parameter
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--> $DIR/unify-op-with-fn-call.rs:20:17
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LL | fn foo<const N: Foo>(a: Evaluatable<{ N + N }>) {
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| ^^^
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help: add `#[derive(ConstParamTy)]` to the struct
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LL + #[derive(ConstParamTy)]
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LL | struct Foo(u8);
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error[E0741]: `Foo` must implement `ConstParamTy` to be used as the type of a const generic parameter
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--> $DIR/unify-op-with-fn-call.rs:24:17
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LL | fn bar<const N: Foo>() {}
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| ^^^
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help: add `#[derive(ConstParamTy)]` to the struct
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LL + #[derive(ConstParamTy)]
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LL | struct Foo(u8);
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error[E0284]: type annotations needed: cannot normalize `foo2<N>::{constant#0}`
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--> $DIR/unify-op-with-fn-call.rs:29:28
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LL | fn foo2<const N: usize>(a: Evaluatable2<{ N + N }>) {
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| ^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `foo2<N>::{constant#0}`
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error[E0284]: type annotations needed: cannot normalize `foo<N>::{constant#0}`
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--> $DIR/unify-op-with-fn-call.rs:21:11
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LL | bar::<{ std::ops::Add::add(N, N) }>();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `foo<N>::{constant#0}`
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error[E0284]: type annotations needed: cannot normalize `foo2<N>::{constant#0}`
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--> $DIR/unify-op-with-fn-call.rs:30:12
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LL | bar2::<{ std::ops::Add::add(N, N) }>();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `foo2<N>::{constant#0}`
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error: aborting due to 8 previous errors
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Some errors have detailed explanations: E0284, E0741.
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For more information about an error, try `rustc --explain E0284`.
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