src/test/ui/type-alias-impl-trait/self-referential.stderr

   1 error[E0277]: can't compare `&i32` with `Bar<'b, 'a>`
   2   --> $DIR/self-referential.rs:5:31
   3    |
   4 LL | fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> {
   5    |                               ^^^^^^^^^^^ no implementation for `&i32 == Bar<'b, 'a>`
   6 LL |
   7 LL |     i
   8    |     - return type was inferred to be `&i32` here
   9    |
  10    = help: the trait `PartialEq<Bar<'b, 'a>>` is not implemented for `&i32`
  11    = help: the following other types implement trait `PartialEq<Rhs>`:
  12              f32
  13              f64
  14              i128
  15              i16
  16              i32
  17              i64
  18              i8
  19              isize
  20            and 6 others
  21
  22 error[E0277]: can't compare `&i32` with `(i32, &i32)`
  23   --> $DIR/self-referential.rs:12:31
  24    |
  25 LL | fn foo<'a, 'b>(i: &'a i32) -> Foo<'a, 'b> {
  26    |                               ^^^^^^^^^^^ no implementation for `&i32 == (i32, &i32)`
  27 LL |
  28 LL |     (42, i)
  29    |     ------- return type was inferred to be `(i32, &i32)` here
  30    |
  31    = help: the trait `PartialEq<(i32, &i32)>` is not implemented for `&i32`
  32    = help: the following other types implement trait `PartialEq<Rhs>`:
  33              f32
  34              f64
  35              i128
  36              i16
  37              i32
  38              i64
  39              i8
  40              isize
  41            and 6 others
  42
  43 error[E0277]: can't compare `&i32` with `(i32, Moo<'b, 'a>::{opaque#0})`
  44   --> $DIR/self-referential.rs:19:31
  45    |
  46 LL | fn moo<'a, 'b>(i: &'a i32) -> Moo<'a, 'b> {
  47    |                               ^^^^^^^^^^^ no implementation for `&i32 == (i32, Moo<'b, 'a>::{opaque#0})`
  48 LL |
  49 LL |     (42, i)
  50    |     ------- return type was inferred to be `(i32, &i32)` here
  51    |
  52    = help: the trait `PartialEq<(i32, Moo<'b, 'a>::{opaque#0})>` is not implemented for `&i32`
  53    = help: the following other types implement trait `PartialEq<Rhs>`:
  54              f32
  55              f64
  56              i128
  57              i16
  58              i32
  59              i64
  60              i8
  61              isize
  62            and 6 others
  63
  64 error: aborting due to 3 previous errors
  65
  66 For more information about this error, try `rustc --explain E0277`.