1error[E0600]: cannot apply unary operator `!` to type `&'static str` 2 --> $DIR/issue-28308.rs:2:5 3 | 4LL | assert!("foo"); 5 | ^^^^^^^^^^^^^^ cannot apply unary operator `!` 6 | 7 = note: this error originates in the macro `assert` (in Nightly builds, run with -Z macro-backtrace for more info) 8 9error: aborting due to previous error 10 11For more information about this error, try `rustc --explain E0600`. 12