error[E0284]: type annotations needed
  --> $DIR/parent_generics_of_encoding_impl_trait.rs:9:5
   |
LL |     generics_of_parent_impl_trait::foo([()]);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of const parameter `N` declared on the function `foo`
   |
note: required by a bound in `foo`
  --> $DIR/auxiliary/generics_of_parent_impl_trait.rs:5:48
   |
LL | pub fn foo<const N: usize>(foo: impl Into<[(); N + 1]>) {
   |                                                ^^^^^ required by this bound in `foo`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0284`.