error[E0277]: can't compare `T` with `T` in const contexts --> $DIR/call-generic-method-fail.rs:5:5 | LL | *t == *t | ^^^^^^^^ no implementation for `T == T` | note: the trait `PartialEq` is implemented for `T`, but that implementation is not `const` --> $DIR/call-generic-method-fail.rs:5:5 | LL | *t == *t | ^^^^^^^^ error[E0015]: cannot call non-const operator in constant functions --> $DIR/call-generic-method-fail.rs:5:5 | LL | *t == *t | ^^^^^^^^ | = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | LL | pub const fn equals_self(t: &T) -> bool { | ++++++++++++++++++++++++++++ error: aborting due to 2 previous errors Some errors have detailed explanations: E0015, E0277. For more information about an error, try `rustc --explain E0015`.