53 lines
2.2 KiB
Plaintext
53 lines
2.2 KiB
Plaintext
error[E0666]: nested `impl Trait` is not allowed
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--> $DIR/nested_impl_trait.rs:5:56
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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:8:42
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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:12:37
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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:17:44
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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` not allowed outside of function and inherent method return types
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--> $DIR/nested_impl_trait.rs:8:32
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LL | fn bad_in_fn_syntax(x: fn() -> impl Into<impl Debug>) {}
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| ^^^^^^^^^^^^^^^^^^^^^
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error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
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--> $DIR/nested_impl_trait.rs:25:42
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LL | fn allowed_in_ret_type() -> impl Fn() -> impl Into<u32> {
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| ^^^^^^^^^^^^^^
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error: aborting due to 6 previous errors
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Some errors have detailed explanations: E0562, E0666.
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For more information about an error, try `rustc --explain E0562`.
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