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```
error[E0277]: the trait bound `[[u16; 3]; 2]: Bar` is not satisfied
--> $DIR/issue-67185-2.rs:21:6
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LL | impl Foo for FooImpl {}
| ^^^ the trait `Bar` is not implemented for `[[u16; 3]; 2]`
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help: the following other types implement trait `Bar`
--> $DIR/issue-67185-2.rs:9:1
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LL | impl Bar for [u16; 4] {}
| ^^^^^^^^^^^^^^^^^^^^^ `[u16; 4]`
LL | impl Bar for [[u16; 3]; 3] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ `[[u16; 3]; 3]`
note: required by a bound in `Foo`
--> $DIR/issue-67185-2.rs:14:30
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LL | trait Foo
| --- required by a bound in this trait
LL | where
LL | [<u8 as Baz>::Quaks; 2]: Bar,
| ^^^ required by this bound in `Foo`
```
73 lines
3.3 KiB
Plaintext
73 lines
3.3 KiB
Plaintext
error[E0666]: nested `impl Trait` is not allowed
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--> $DIR/nested_impl_trait.rs:6:56
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LL | fn bad_in_ret_position(x: impl Into<u32>) -> impl Into<impl Debug> { x }
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| ----------^^^^^^^^^^-
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| | |
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| | nested `impl Trait` here
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| outer `impl Trait`
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error[E0666]: nested `impl Trait` is not allowed
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--> $DIR/nested_impl_trait.rs:10:42
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LL | fn bad_in_fn_syntax(x: fn() -> impl Into<impl Debug>) {}
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| ----------^^^^^^^^^^-
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| | |
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| | nested `impl Trait` here
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| outer `impl Trait`
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error[E0666]: nested `impl Trait` is not allowed
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--> $DIR/nested_impl_trait.rs:14:37
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LL | fn bad_in_arg_position(_: impl Into<impl Debug>) { }
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| ----------^^^^^^^^^^-
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| | |
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| | nested `impl Trait` here
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| outer `impl Trait`
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error[E0666]: nested `impl Trait` is not allowed
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--> $DIR/nested_impl_trait.rs:19:44
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LL | fn bad(x: impl Into<u32>) -> impl Into<impl Debug> { x }
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| ----------^^^^^^^^^^-
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| | |
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| | nested `impl Trait` here
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| outer `impl Trait`
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error[E0562]: `impl Trait` is not allowed in `fn` pointer return types
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--> $DIR/nested_impl_trait.rs:10:32
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LL | fn bad_in_fn_syntax(x: fn() -> impl Into<impl Debug>) {}
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| ^^^^^^^^^^^^^^^^^^^^^
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= note: `impl Trait` is only allowed in arguments and return types of functions and methods
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error[E0277]: the trait bound `impl Debug: From<impl Into<u32>>` is not satisfied
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--> $DIR/nested_impl_trait.rs:6:46
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LL | fn bad_in_ret_position(x: impl Into<u32>) -> impl Into<impl Debug> { x }
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| ^^^^^^^^^^^^^^^^^^^^^ - return type was inferred to be `impl Into<u32>` here
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| |
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| the trait `From<impl Into<u32>>` is not implemented for `impl Debug`
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help: the trait `Into<U>` is implemented for `T`
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--> $SRC_DIR/core/src/convert/mod.rs:LL:COL
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= note: required for `impl Into<u32>` to implement `Into<impl Debug>`
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error[E0277]: the trait bound `impl Debug: From<impl Into<u32>>` is not satisfied
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--> $DIR/nested_impl_trait.rs:19:34
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LL | fn bad(x: impl Into<u32>) -> impl Into<impl Debug> { x }
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| ^^^^^^^^^^^^^^^^^^^^^ - return type was inferred to be `impl Into<u32>` here
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| |
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| the trait `From<impl Into<u32>>` is not implemented for `impl Debug`
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help: the trait `Into<U>` is implemented for `T`
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--> $SRC_DIR/core/src/convert/mod.rs:LL:COL
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= note: required for `impl Into<u32>` to implement `Into<impl Debug>`
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error: aborting due to 7 previous errors
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Some errors have detailed explanations: E0277, E0562, E0666.
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For more information about an error, try `rustc --explain E0277`.
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