1 error[E0379]: trait fns cannot be declared const
2 --> $DIR/const-fn-mismatch.rs:13:5
4 LL | const fn f() -> u32 { 22 }
5 | ^^^^^ trait fns cannot be const
7 error: aborting due to previous error
9 For more information about this error, try `rustc --explain E0379`.