src/test/ui/associated-item/issue-48027.stderr

   1 error[E0038]: the trait `Bar` cannot be made into an object
   2   --> $DIR/issue-48027.rs:6:6
   3    |
   4 LL | impl dyn Bar {}
   5    |      ^^^^^^^ `Bar` cannot be made into an object
   6    |
   7 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
   8   --> $DIR/issue-48027.rs:2:11
   9    |
  10 LL | trait Bar {
  11    |       --- this trait cannot be made into an object...
  12 LL |     const X: usize;
  13    |           ^ ...because it contains this associated `const`
  14    = help: consider moving `X` to another trait
  15
  16 error[E0790]: cannot refer to the associated constant on trait without specifying the corresponding `impl` type
  17   --> $DIR/issue-48027.rs:3:32
  18    |
  19 LL |     const X: usize;
  20    |     --------------- `Bar::X` defined here
  21 LL |     fn return_n(&self) -> [u8; Bar::X];
  22    |                                ^^^^^^ cannot refer to the associated constant of trait
  23
  24 error: aborting due to 2 previous errors
  25
  26 Some errors have detailed explanations: E0038, E0790.
  27 For more information about an error, try `rustc --explain E0038`.