1 error[E0601]: `main` function not found in crate `ice_6251`
2 --> $DIR/ice-6251.rs:6:2
5 | ^ consider adding a `main` function to `$DIR/ice-6251.rs`
7 error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
8 --> $DIR/ice-6251.rs:4:45
10 LL | fn bug<T>() -> impl Iterator<Item = [(); { |x: [u8]| x }]> {
11 | ^ doesn't have a size known at compile-time
13 = help: the trait `std::marker::Sized` is not implemented for `[u8]`
14 = help: unsized fn params are gated as an unstable feature
15 help: function arguments must have a statically known size, borrowed types always have a known size
17 LL | fn bug<T>() -> impl Iterator<Item = [(); { |x: &[u8]| x }]> {
20 error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
21 --> $DIR/ice-6251.rs:4:54
23 LL | fn bug<T>() -> impl Iterator<Item = [(); { |x: [u8]| x }]> {
24 | ^ doesn't have a size known at compile-time
26 = help: the trait `std::marker::Sized` is not implemented for `[u8]`
27 = note: the return type of a function must have a statically known size
29 error[E0308]: mismatched types
30 --> $DIR/ice-6251.rs:4:44
32 LL | fn bug<T>() -> impl Iterator<Item = [(); { |x: [u8]| x }]> {
33 | ^^^^^^^^^^^ expected `usize`, found closure
35 = note: expected type `usize`
36 found closure `[closure@$DIR/ice-6251.rs:4:44: 4:55]`
38 error: aborting due to 4 previous errors
40 Some errors have detailed explanations: E0277, E0308, E0601.
41 For more information about an error, try `rustc --explain E0277`.