tests/ui/issues/issue-23024.stderr

   1 error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change
   2   --> $DIR/issue-23024.rs:8:39
   3    |
   4 LL |     println!("{:?}",(vfnfer[0] as dyn Fn)(3));
   5    |                                       ^^ help: use parenthetical notation instead: `Fn() -> ()`
   6    |
   7    = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
   8    = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable
   9
  10 error[E0107]: missing generics for trait `Fn`
  11   --> $DIR/issue-23024.rs:8:39
  12    |
  13 LL |     println!("{:?}",(vfnfer[0] as dyn Fn)(3));
  14    |                                       ^^ expected 1 generic argument
  15    |
  16 help: add missing generic argument
  17    |
  18 LL |     println!("{:?}",(vfnfer[0] as dyn Fn<Args>)(3));
  19    |                                         ++++++
  20
  21 error[E0191]: the value of the associated type `Output` (from trait `FnOnce`) must be specified
  22   --> $DIR/issue-23024.rs:8:39
  23    |
  24 LL |     println!("{:?}",(vfnfer[0] as dyn Fn)(3));
  25    |                                       ^^ help: specify the associated type: `Fn<Output = Type>`
  26
  27 error: aborting due to 3 previous errors
  28
  29 Some errors have detailed explanations: E0107, E0191, E0658.
  30 For more information about an error, try `rustc --explain E0107`.