src/test/ui/rfc-2632-const-trait-impl/call-generic-method-nonconst.stderr

   1 error[E0277]: can't compare `S` with `S` in const contexts
   2   --> $DIR/call-generic-method-nonconst.rs:18:34
   3    |
   4 LL | pub const EQ: bool = equals_self(&S);
   5    |                      ----------- ^^ no implementation for `S == S`
   6    |                      |
   7    |                      required by a bound introduced by this call
   8    |
   9    = help: the trait `~const PartialEq` is not implemented for `S`
  10 note: the trait `PartialEq` is implemented for `S`, but that implementation is not `const`
  11   --> $DIR/call-generic-method-nonconst.rs:18:34
  12    |
  13 LL | pub const EQ: bool = equals_self(&S);
  14    |                                  ^^
  15 note: required by a bound in `equals_self`
  16   --> $DIR/call-generic-method-nonconst.rs:11:25
  17    |
  18 LL | const fn equals_self<T: ~const PartialEq>(t: &T) -> bool {
  19    |                         ^^^^^^^^^^^^^^^^ required by this bound in `equals_self`
  20 help: consider annotating `S` with `#[derive(PartialEq)]`
  21    |
  22 LL | #[derive(PartialEq)]
  23    |
  24
  25 error: aborting due to previous error
  26
  27 For more information about this error, try `rustc --explain E0277`.