error[E0741]: `Foo` must implement `ConstParamTy` to be used as the type of a const generic parameter --> $DIR/const-param-with-additional-obligations.rs:13:17 | LL | fn foo>() {} | ^^^^^^^ | = note: `u8` must implement `Other`, but it does not error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0741`.