rust/tests/compile-fail/validity/invalid_char.rs

9 lines
289 B
Rust

fn main() {
assert!(std::char::from_u32(-1_i32 as u32).is_none());
let _val = match unsafe { std::mem::transmute::<i32, char>(-1) } { //~ ERROR encountered $HEX, but expected a valid unicode scalar value
'a' => {true},
'b' => {false},
_ => {true},
};
}