src/test/ui/const-generics/diagnostics.stderr

   1 error[E0412]: cannot find type `N` in this scope
   2   --> $DIR/diagnostics.rs:7:16
   3    |
   4 LL | struct A<const N: u8>;
   5    | ---------------------- similarly named struct `A` defined here
   6 LL | trait Foo {}
   7 LL | impl Foo for A<N> {}
   8    |                ^ help: a struct with a similar name exists: `A`
   9
  10 error[E0412]: cannot find type `T` in this scope
  11   --> $DIR/diagnostics.rs:16:32
  12    |
  13 LL | struct A<const N: u8>;
  14    | ---------------------- similarly named struct `A` defined here
  15 ...
  16 LL | impl<const N: u8> Foo for C<N, T> {}
  17    |                                ^ help: a struct with a similar name exists: `A`
  18
  19 error[E0747]: unresolved item provided when a constant was expected
  20   --> $DIR/diagnostics.rs:7:16
  21    |
  22 LL | impl Foo for A<N> {}
  23    |                ^
  24    |
  25 help: if this generic argument was intended as a const parameter, surround it with braces
  26    |
  27 LL | impl Foo for A<{ N }> {}
  28    |                ^   ^
  29
  30 error[E0747]: type provided when a constant was expected
  31   --> $DIR/diagnostics.rs:12:19
  32    |
  33 LL | impl<N> Foo for B<N> {}
  34    |      -            ^
  35    |      |
  36    |      help: consider changing this type paramater to a `const`-generic: `const N: u8`
  37
  38 error[E0747]: unresolved item provided when a constant was expected
  39   --> $DIR/diagnostics.rs:16:32
  40    |
  41 LL | impl<const N: u8> Foo for C<N, T> {}
  42    |                                ^
  43    |
  44 help: if this generic argument was intended as a const parameter, surround it with braces
  45    |
  46 LL | impl<const N: u8> Foo for C<N, { T }> {}
  47    |                                ^   ^
  48
  49 error: aborting due to 5 previous errors
  50
  51 Some errors have detailed explanations: E0412, E0747.
  52 For more information about an error, try `rustc --explain E0412`.