mirror of https://github.com/rust-lang/rust.git
32 lines
1.3 KiB
Plaintext
32 lines
1.3 KiB
Plaintext
error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change
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--> $DIR/issue-23024.rs:8:39
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LL | println!("{:?}",(vfnfer[0] as dyn Fn)(3));
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| ^^ help: use parenthetical notation instead: `Fn() -> ()`
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= note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
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= help: add `#![feature(unboxed_closures)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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error[E0107]: missing generics for trait `Fn`
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--> $DIR/issue-23024.rs:8:39
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LL | println!("{:?}",(vfnfer[0] as dyn Fn)(3));
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| ^^ expected 1 generic argument
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help: add missing generic argument
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LL | println!("{:?}",(vfnfer[0] as dyn Fn<Args>)(3));
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| ++++++
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error[E0191]: the value of the associated type `Output` in `FnOnce` must be specified
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--> $DIR/issue-23024.rs:8:39
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LL | println!("{:?}",(vfnfer[0] as dyn Fn)(3));
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| ^^ help: specify the associated type: `Fn::<Output = Type>`
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error: aborting due to 3 previous errors
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Some errors have detailed explanations: E0107, E0191, E0658.
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For more information about an error, try `rustc --explain E0107`.
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