src/test/ui/associated-types/issue-22560.stderr

   1 error[E0393]: the type parameter `Rhs` must be explicitly specified
   2   --> $DIR/issue-22560.rs:9:23
   3    |
   4 LL | / trait Sub<Rhs=Self> {
   5 LL | |     type Output;
   6 LL | | }
   7    | |_- type parameter `Rhs` must be specified for this
   8 LL |
   9 LL |   type Test = dyn Add + Sub;
  10    |                         ^^^ help: set the type parameter to the desired type: `Sub<Rhs>`
  11    |
  12    = note: because of the default `Self` reference, type parameters must be specified on object types
  13
  14 error[E0393]: the type parameter `Rhs` must be explicitly specified
  15   --> $DIR/issue-22560.rs:9:17
  16    |
  17 LL | / trait Add<Rhs=Self> {
  18 LL | |     type Output;
  19 LL | | }
  20    | |_- type parameter `Rhs` must be specified for this
  21 ...
  22 LL |   type Test = dyn Add + Sub;
  23    |                   ^^^ help: set the type parameter to the desired type: `Add<Rhs>`
  24    |
  25    = note: because of the default `Self` reference, type parameters must be specified on object types
  26
  27 error[E0225]: only auto traits can be used as additional traits in a trait object
  28   --> $DIR/issue-22560.rs:9:23
  29    |
  30 LL | type Test = dyn Add + Sub;
  31    |                 ---   ^^^ additional non-auto trait
  32    |                 |
  33    |                 first non-auto trait
  34    |
  35    = help: consider creating a new trait with all of these as super-traits and using that trait here instead: `trait NewTrait: Add<[type error]> + Sub<[type error]> {}`
  36    = note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits>
  37
  38 error[E0191]: the value of the associated types `Output` (from trait `Add`), `Output` (from trait `Sub`) must be specified
  39   --> $DIR/issue-22560.rs:9:17
  40    |
  41 LL |     type Output;
  42    |     ------------ `Output` defined here
  43 ...
  44 LL |     type Output;
  45    |     ------------ `Output` defined here
  46 ...
  47 LL | type Test = dyn Add + Sub;
  48    |                 ^^^   ^^^ associated type `Output` must be specified
  49    |                 |
  50    |                 associated type `Output` must be specified
  51    |
  52 help: specify the associated types
  53    |
  54 LL | type Test = dyn Add<Output = Type> + Sub<Output = Type>;
  55    |                 ~~~~~~~~~~~~~~~~~~   ~~~~~~~~~~~~~~~~~~
  56
  57 error: aborting due to 4 previous errors
  58
  59 Some errors have detailed explanations: E0191, E0225, E0393.
  60 For more information about an error, try `rustc --explain E0191`.