mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 10:45:18 +00:00
19 lines
401 B
Rust
19 lines
401 B
Rust
// Test that negating unsigned integers doesn't compile
|
|
|
|
struct S;
|
|
impl std::ops::Neg for S {
|
|
type Output = u32;
|
|
fn neg(self) -> u32 { 0 }
|
|
}
|
|
|
|
fn main() {
|
|
let _max: usize = -1;
|
|
//~^ ERROR cannot apply unary operator `-` to type `usize`
|
|
|
|
let x = 5u8;
|
|
let _y = -x;
|
|
//~^ ERROR cannot apply unary operator `-` to type `u8`
|
|
|
|
-S; // should not trigger the gate; issue 26840
|
|
}
|