2 let u = 5 as bool; //~ ERROR cannot cast as `bool`
3 //~| HELP compare with zero instead
5 let t = (1 + 2) as bool; //~ ERROR cannot cast as `bool`
6 //~| HELP compare with zero instead
7 //~| SUGGESTION (1 + 2) != 0
8 let v = "hello" as bool; //~ ERROR casting `&'static str` as `bool` is invalid