| error[E0605]: non-primitive cast: `[closure@$DIR/closure-no-fn-3.rs:16:27: 16:37 b:_]` as `fn() -> u8` | |
| --> $DIR/closure-no-fn-3.rs:16:27 | |
| | | |
| LL | let baz: fn() -> u8 = (|| { b }) as fn() -> u8; | |
| | ^^^^^^^^^^^^^^^^^^^^^^^^ | |
| | | |
| = note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0605`. |