rust/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-chain.stderr

warning: the feature `effects` is incomplete and may not be safe to use and/or cause compiler crashes
  --> $DIR/call-generic-method-chain.rs:6:30
   |
LL | #![feature(const_trait_impl, effects)]
   |                              ^^^^^^^
   |
   = note: see issue #102090 <https://github.com/rust-lang/rust/issues/102090> for more information
   = note: `#[warn(incomplete_features)]` on by default

error: const `impl` for trait `PartialEq` which is not marked with `#[const_trait]`
  --> $DIR/call-generic-method-chain.rs:10:12
   |
LL | impl const PartialEq for S {
   |            ^^^^^^^^^
   |
   = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
   = note: adding a non-const method body in the future would be a breaking change

error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates
  --> $DIR/call-generic-method-chain.rs:10:6
   |
LL | impl const PartialEq for S {
   |      ^^^^^ unconstrained const parameter
   |
   = note: expressions using a const parameter must map each value to a distinct output value
   = note: proving the result of expressions other than the parameter are unique is not supported

error: `~const` can only be applied to `#[const_trait]` traits
  --> $DIR/call-generic-method-chain.rs:19:32
   |
LL | const fn equals_self<T: ~const PartialEq>(t: &T) -> bool {
   |                                ^^^^^^^^^

error: `~const` can only be applied to `#[const_trait]` traits
  --> $DIR/call-generic-method-chain.rs:23:40
   |
LL | const fn equals_self_wrapper<T: ~const PartialEq>(t: &T) -> bool {
   |                                        ^^^^^^^^^

error[E0284]: type annotations needed
  --> $DIR/call-generic-method-chain.rs:27:22
   |
LL | pub const EQ: bool = equals_self_wrapper(&S);
   |                      ^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
   |
note: required for `S` to implement `PartialEq`
  --> $DIR/call-generic-method-chain.rs:10:12
   |
LL | impl const PartialEq for S {
   |      ----- ^^^^^^^^^     ^
   |      |
   |      unsatisfied trait bound introduced here

error[E0284]: type annotations needed
  --> $DIR/call-generic-method-chain.rs:15:10
   |
LL |         !self.eq(other)
   |          ^^^^^^^^^^^^^^ cannot infer the value of the constant `_`
   |
note: required for `S` to implement `PartialEq`
  --> $DIR/call-generic-method-chain.rs:10:12
   |
LL | impl const PartialEq for S {
   |      ----- ^^^^^^^^^     ^
   |      |
   |      unsatisfied trait bound introduced here

error: aborting due to 6 previous errors; 1 warning emitted

Some errors have detailed explanations: E0207, E0284.
For more information about an error, try `rustc --explain E0207`.